Prefabricated Steel Roof Trusses

Ultimate Guide: Prefabricated Steel Roof Trusses

Sunnyda prefabricated steel roof trusses is an ideal material for commercial, industrial, and residential building. This is the perfect material for your upcoming project. To assure and guarantee the best quality, longevity, and durability of these prefabricated steel roof trusses.

These prefabricated steel roof trusses are best for residential steel buildings, agricultural steel buildings, steel building houses, steel building components, steel workshop buildings, steel structure industrial buildings, and so on.

These prefabricated steel roof trusses are one of in-demand material nowadays due to their easy installation, fewer components needed, won’t rot or burn, and lasts for how many years. Also, these prefabricated steel roof trusses have a higher strength to weight ratio, fire-resistant, pest resistant, and eco-friendliness. It has a design of howe, gable end, piggyback, cantilever, attic, and more. You can have the layout for the prefabricated steel roof trusses.

We have our 12 architects and senior engineers to produce the best-prefabricated steel roof trusses and provide the quality you expect. Here at Sunnyda, we used only CE-certified parts and equipment. We always assure the good quality and satisfaction of our clients and customers.

Either it is a big or small order, our customer and client is our priority. These prefabricated steel roof trusses have a 1-year warranty and 50 years life span.

Sunnyda factory passed ISO14001 and ISO9001. We ship and export to some countries like German, UK, New Zealand, Norway, Belgium, America, many South America, and Africa. We have fast delivery.

Sunnyda products are of good quality, sturdy, and meet the specified budget of our clients and customers. You are also welcome to visit our factory. Sunnyda is your best choice for any prehab house and steel structure building.

Sunnyda is your best-prefabricated steel roof trusses manufacturer!

Prefabricated Steel Roof Trusses FAQ Table of Contents

Q1: What Are Prefabricated Steel Roof Trusses?
Q2: Why Use Prefabricated Steel Roof Trusses Instead Of Wooden One?
Q3: Why Choose Our Prefabricated Steel Roof Trusses?
Q4: Why We Pride Ourselves?
Q5: Who we are?
Q6: Where We Are?
Q7: What Are The Applications For Your Prefabricated Steel Roof Trusses?
Q8: What Style Of Prefabricated Steel Roof Trusses Do You Manufacture?
Q9: What is Included In Your Prefabricated Steel Roof Trusses?
Q10: What Are Your Manufacturing Processes?
Q11: What Are Your Prefabricated Steel Roof Trusses Made Of?
Q12: Do You Manufacture Cold-Formed Steel (CFS) Trusses / Light gauge Prefabricated Steel Roof Trusses?
Q13: Do You Manufacture “WP” Series Prefabricated Steel Roof Trusses?
Q14: Do You Manufacture “SL” Series Prefabricated Roof Trusses?
Q15: Do Design and Manufacture Prefabricated Steel Attic Trusses?
Q16: How Much Does Your Prefabricated Steel Roof Trusses Weight?
Q17: Can You offer CE Marked Prefabricated Steel Roof Trusses?
Q18: Can You Customise My Prefabricated Steel Roof Trusses?
Q19: What Information Do I need To Provide To Design My Prefabricated Steel Roof Trusses?
Q20: Do You Provide 3D Design For Prefabricated Steel Roof Trusses?
Q21: Do You Comply To International / Local Building Code Requirements?
Q22: I Noticed That Some Of The Steel Webbing And Some Of The Splices Aren’t The Same As The Drawings Is Showing?
Q23: What If We Require Matching Our Prefabricated Steel Roof Trusses Measurements To An Existing One?
Q24: Does Your Prefabricated Steel Roof Trusses Offers Large Span Flexibility?
Q25: How Your Prefabricated Steel Roof Trusses Can Be Installed?
Q26: Is Your Prefabricated Steel Roof Trusses Are Adaptable/Flexible?
Q27: Is Your Prefabricated Steel Roof Trusses Can Be Build On A Concrete Slab?
Q28: Will I need To Set My Concrete?
Q29: Is Your Prefabricated Steel Roof Trusses Durable?
Q30: Do Your Prefabricated Steel Roof Trusses Require Maintenance?
Q31: Is Your Prefabricated Steel Roof Trusses Fireproof?
Q32: Is Your Prefabricated Steel Roof Trusses Load Bearing?
Q33: What Is The Wind Load Of Your Prefabricated Steel Roof Trusses?
Q34: Does Your Prefabricated Steel Roof Trusses Support heavy Snow Loads?
Q35: Is Your Prefabricated Steel Roof Trusses Pest Resistant?
Q36: Is Your Prefabricated Steel Environmentally Friendly?
Q37: How Long Does Your Prefabricated Steel Roof Trusses Last?
Q38: Where Do You Deliver?
Q39: How Long Your Delivery / Shipping Takes?
Q40: What Are You Warranties?
Q41: How Do I Order A Prefabricated Steel Roof Truss?
Q42: What Prefabricated Steel Roof Truss Profile Suits Best My Building?
Q43: Can I get Prefabricated Steel Roof Trusses With No Overhang?
Q44: Is Prefabricated Steel Roof Truss Can Be Cut Or Altered?

Introduction
Do You Need A Prefabricated Steel Roof Trusses For Your house Or Construction Project?

Here are the answers to many frequently asked questions about Prefabricated Steel Roof Trusses that will add high value to your next project.

Shanghai Sunnyda House Co. Prefabricated Steel Roof Trusses designed and engineered using eye-catching design, finishing, and high-quality materials.
A large collection, cost-effective, sophisticated, and customized Prefabricated Steel Roof Trusses are available to you and can be delivered to your location wherever you are in the World.

Q1: What Are Prefabricated Steel Roof Trusses?

Prefabricated Steel Roof trusses are Pre-designed and pre-engineered structures which are made of high-strength and light-weight gauge steel trusses for the main purpose to carry load of your building’s roof to the outside walls and offer free span.

They are designed, engineered, and manufactured in the factory for a simple erection process. Then they are delivered to your construction site to be installed quickly using a crane after the building’s walls have been framed.

Q2: Why Use Prefabricated Steel Roof Trusses Instead Of Wooden One?

Prefabricated Steel Roof trusses dominate largely the construction industry due to the following benefits compared to the traditional wood trusses:

• Simple and fast construction when compared with traditional wood trusses.

• Savings in cost and time being pre-designed, pre-engineered for a quick and stream-lined installation.

• Lifelong span and resiliency to termite damage being made of high tensile steel.

• Unlimited customization options to suit your aesthetics and functionality needs.

Q3: Why Choose Our Prefabricated Steel Roof Trusses?

If you are considering a new home or a construction project consider Shanghai Sunnyda House Co. bespoke prefabricated steel roof truss; when quality and cost matters for your project.

We at Shanghai Sunnyda House Co. we offer you the most cost-effective Prefabricated Steel Roof Trusses to differentiate your construction projects and meet market demand.

Our Prefabricated Steel Roof Trusses are designed, engineered, and manufactured using high-strength steel to ensure stability, span flexibility using the latest design and manufacturing technology to deliver your project on time and on budget to your site regardless of your location.

So, whether you’re looking for an airport Prefabricated Steel Roof Trusses or just a DIY house project, our Prefabricated Steel Roof trusses are adaptable to all construction systems applications, we provide the widest range of profiles from the smallest trusses to clear spans that excess of 100,000-meter square (or 1,076,391 foot square).

We offer high strength superior spanning roof design capacities for areas ranges from 100 m2 to 10000 m2. Either for small house prefabricated steel roof truss or large stadiums steel truss, large entertainment arenas, airports, hangars and bridges steel truss, etc…

We are committed to offer you the most resistant Prefabricated Steel Roof Trusses that withstand weather extreme environment threats (wind uplift force, cyclones and snow).

To save erection time, all of our Prefabricated Steel Roof trusses are completely pre-welded, pre-punched, we include all required installation guides and drawings, connections, clips for steel purlins and other components are pre-welded at our factory.

• A 1-year Manufacturer Warranty

Shanghai Sunnyda House Co. being the main manufacturer offers you Prefabricated Steel Roof trusses backed with 5 Years Manufacturer Warranty including materials and workmanship.

Q4: Why We Pride Ourselves?

We pride ourselves being one of the top quality manufacturers of cost-effective and sustainable prefabricated steel roof trusses in China. We deliver the highest value product, guaranteed consistent quality along with excellent customer service.

• Certified Standards and Performance

We at Shanghai Sunnyda House Co. we are internationally recognized. Since 2009 we comply with the requirements of:

I. Certified ISO 9001:2015: quality management system (QMS) standards.

II. Certified ISO 14001:2015: environmental management system (EMS) performance.

III. CE marking: we can offer CE-marked prefabricated steel roof trusses as we meet the requirements of the applicable CE directives.

• Quality Assurance and Control

All of our Prefabricated Steel Roof trusses are manufactured in the most stringent quality control manufacturing environment:

I. The latest technology design software is used to design state-of-the-art prefabricated steel roof trusses that suit all type of buildings functionality and aesthetics.

II. Your prefabricated steel roof trusses will be designed by our in-house talented experienced designers to ensure high level of accuracy, precision, and simple erecting.

III. Manufactured in accordance with international building standards and codes.

IV. We ensure anti-rust and a long maintenance-free lifespan; all our steel components are completely submerged in a rust protection durable primer.

V. Quality control is conducted during all manufacturing processes and final inspection is carried for the finished prefabricated steel roof truss prior to delivery.

• Health And Safety

We are fully committed to secure a safe and healthy work environment for our employees and stakeholders.

A number of significant safety measures are taken in place to prevent any risks of accidents that may occur during unloading operations while working at height.

All prefabricated steel roof trusses components are pre-slung delivered, so, getting on to the lorry to unload is unnecessary. Safe slinging and signaling are correctly positioned at our factory to prevent errors or injuries.

  • Design

Supported by our in-house talented designers, we provide bespoke designs and consultancy throughout all the design phase from your the first time we respond to your enquiry to tailoring your requirements to visualizing your prefabricated steel roof truss CAD Drawings and 3D model.

With more than two decades experience in delivering High-Tech modern prefabricated steel roof truss design across China and the rest of the World and.

• Customers Support

Our consultants will provide you support and assistance in every step from your first inquiry, to consultancy, to design, to best price and service offer, to delivery and after-sales support.

You will be in touch with a project manager who will communicate with you at any stage of your project, and coordinate with other departments accordingly.

Q5: Who we are?

Since founded in 2009 by Mr.Zhao, an industry leader in the field of steel structures design, engineering, and manufacturing. Shanghai Sunnyda House Co. has been successfully serving multi-country projects and strategically positioned as the nation’s leading manufacturer of cost-efficient and highest-quality prefabricated steel roof trusses.

Q6: Where We Are?

We are located in the business hub of Shanghai – China; this strategic location provided us with quick access to steel industry key stakeholders.

Q7: What Are The Applications For Your Prefabricated Steel Roof Trusses?

We design an endless uses of Prefabricated Steel Roof Trusses including the following business sectors:

  • Residential: Villas, Houses, Residences, and Barndominium.

  • Industrial: Large span prefabricated warehouses, Storage unit, Logistics, Workshops, Garage.

  • Commercial: Malls Steel Roof Trusses, hypermarkets, Long Span car showrooms.

  • Transportation: Airports, train, metro, bus stations, boat storage, hangars,

  • Sport: Stadiums arenas roofs, gymnasium, multipurpose sport courts, athletic indoor and outdoor sports facilities.

  • Leisure: entertainment arena, events, hotels, exhibitions, museums, cinemas.

  • Education: School sports halls, multipurpose courts, and swimming pool cover, modular school building.

  • Religious: Cathedral, mosques,

  • Agricultural: Pole barn, Greenhouse, Horse stalls, Hay Barns, Agricultural storage.

Q8: What Style Of Prefabricated Steel Roof Trusses Do You Manufacture?

A: Our steel trusses come in all types of roof trusses, some of them are as follow:

A wide range of Steel Roof Trusses Styles:

• Skillion Roofs.
• Curved Roofs.
• Pitched Roofs.
• King Post.
• Queen Post.
• Howe.
• Double Howe Trusses.
• Hip Truss.
• Barrel Vaults.
• Gables.
• Lean-To Trusses.
• Header Trusses.
• Cantilevers & Overhangs.
• Vaulted Ceilings.
• Scissor Roof Trusses.
• Attic Trusses.
• Mono Trusses.
• North Light Roof Trusses.
• Flat Truss.
• Gambrel Truss.
• Standard Fink Trusses.
• Raised Tie Trusses.

Please note that graphics of the different types outlined above can be provided upon your request.

Q9: What is Included In Your Prefabricated Steel Roof Trusses?

Our Prefabricated Steel Roof truss system consists of the following members combined together to form a stable and rigid steel structure of triangles within the truss main system:

• A top chord.
• A bottom chord.
• Internal members (webbing/webs).
• Pre-welded purlin cups.
• Predrilled bolt holes.
• Steel connector plates.
• Mounting hardware for fast & easy installation.
• Cee (C), Zee (Z) and Channel (U):

Available in various sizes 4” through 12”- 16” gauges through 20” gauges.

I. Different Standards & patterns.

II.Red oxide or G90 coated galvanized finish.

Q10: What Are Your Manufacturing Processes?

For quality assurance purpose our manufacturing processes go through the most innovative steps as follow:

1. Planning of Methods and Material needed.

2. Engineering and production and Welding.

3. Several Quality Control inspections and Corrections are carried.

4. Surface cleaning, protection, Shot blasting, coating and other finishing process.

Q11: What Are Your Prefabricated Steel Roof Trusses Made Of?

We use various steel types and sizes to form high-strength and lightweight Trusses ac-cording to the application purpose. The following types are the most used:

• Cold-formed steel (CFS) or light gauge steel.

• Q235 Carbon steel.

• Q345 high strength steel.

Q12: Do You Manufacture Cold-Formed Steel (CFS) Trusses / Light gauge Prefabricated Steel Roof Trusses?

Yes, we manufacture the most efficient Cold-formed steel (CFS) trusses systems which are designed and pre-engineered using sophisticated software programs.

We offer a wide range of roof layouts and shapes to suit the most applications.

Q13: Do You Manufacture “WP” Series Prefabricated Steel Roof Trusses?

A: Yes. We provide various “WP” Series Prefabricated Steel Roof Trusses packages to suit your requirements in cost, specifications, and local & international building codes.

Options for rust primer coating or hot-dipped galvanized finishing to be applied are available.

Q14: Do You Manufacture “SL” Series Prefabricated Roof Trusses?

A: Yes, this is a single slope truss with clear span; it consists of steel girders and steel columns with the options of concrete wall roof girders.

Steel trusses can be dipped in a rust protection primer or hot-dipped galvanized coating.

Q15: Do Design and Manufacture Prefabricated Steel Attic Trusses?

Yes, absolutely. Prefabricated Steel Attics Trusses are available in the following style:

• Standard overhang.

• Cantilevered eaves.

• Stubbed eaves.

Q16: How Much Does Your Prefabricated Steel Roof Trusses Weight?

Our Prefabricated Steel Roof Trusses Weight: Approximately 7.5 lbs per Foot or 34 Kg / m.

Q17: Can You offer CE Marked Prefabricated Steel Roof Trusses?

Yes absolutely. CE can be marked in our Prefabricated Steel Roof Trusses.

Q18: Can You Customise My Prefabricated Steel Roof Trusses?

Yes, absolutely. We can customize your prefabricated steel roof trusses in almost all combination of profiles, size, configurations, styles, materials, finishing, internal web patterns, and depths to fulfill your design requirements, functionality, and aesthetics.

Being in this industry for 20+ years, we have manufactured and delivered successfully smart and cost-effective customized Prefabricated Steel Roof Trusses with heights up to 46’ to special projects.

The following accessories can be arranged, designed, and incorporated in your prefabricated steel roof trusses as follow:

• Skylights:

Dome Skylight; Canopy, tabular skylight, sun tunnel skylight, and pyramid skylight for healthy air and natural lighting and less energy cost.

Air-conditioning:

• Rooftop HVAC unit or RTU to provide indoor heating or cooling.

• Ceiling cassette air conditioner.

• Ceiling suspended air conditioner.

Panel profiles:

• Extremely durable panels in all sizes ranges 26 gauge 36″ are also available in a variety of colors, finishes, with or without insulation.

• 28 gauge high-tensile strength steel, ideal for residential, commercial, and agricultural applications.

• Galvalume panel of 28-gauge, this type of steel panels is the most economical option.

• PBR Perfobond Ribs widely used for low and long roof trusses applica-tions.

Roof Walkway Systems:

We provide non-slip access to rooftops for maintenance:

• FRP Grating Fiberglass reinforced plastic can be custom manufactured for individual project specifications in a wide range of colors and sizes.

• Metal grating walkways anti-slip, easy to install, and cost-effective plank.

Roof Guard railing systems:

Designed and engineered to provide complete protection on your floor or walkway.
Available to you in a variety of styles, rails, panels, or both.

• Attics.
• Ceiling.
• Roofing ancillaries.
• Roof bracing systems.
• Valley support trays.
• Roof flashing.

Q19: What Information Do I need To Provide To Design My Prefabricated Steel Roof Trusses?

We require basic information such as:

Building geometry:

• Span.
• Heel Height.
• Peak Height.
• Overhang Length of the structure.
• How many deck posts will be installed?
• A concrete slab or buried posts will be used.
• Your local climate conditions.
• Loads requirements.
• Local Building Codes.

Q20: Do You Provide 3D Design For Prefabricated Steel Roof Trusses?

State-of-the-art technology software is used to create 3-D designs in order to create custom shapes and visualize finished Prefabricated Steel Roof Trusses in different types.

Q21: Do You Comply To International / Local Building Code Requirements?

Yes, absolutely. We comply with local building code requirements for all countries.

Q22: I Noticed That Some Of The Steel Webbing And Some Of The Splices Aren’t The Same As The Drawings Is Showing?

If you noticed any defect, kindly, contact us we will do our best to change them soonest we can.

Your Prefabricated Steel Roof Truss is designed, engineered, and manufactured under high-quality control, every joint or piece is inspected before delivery using the most efficient optimization process.

Before delivery our engineers make sure drawings match exactly the trusses and components manufactured.

Q23: What If We Require Matching Our Prefabricated Steel Roof Trusses Measurements To An Existing One?

A: Either your roof truss is of standard or non-standard size; our experienced designers will help you figure out the required measurements with high level of precision in order to match them typically to your Prefabricated Steel Roof Truss.

We focus mainly on your existing roof trusses span, overhang, heel height, and peak height.

Q24: Does Your Prefabricated Steel Roof Trusses Offers Large Span Flexibility?

Yes, spans flexibility depends largely on your roof steel load requirements and architectural design. However, we offer large span design for more space, less columns, and money-saving.

Q25: How Your Prefabricated Steel Roof Trusses Can Be Installed?

With every project we provide a fully dimensioned erection drawings guide for more flexibility, manpower cost, and time-saving during the initial construction phase. However, step-by-step erection support if needed.

• The strength and Lightweight of our steel truss roof system allows a fast, simple and safe assembly of the trusses, roof bracing battens, and other components all at ground level.

• Whole sections of the steel truss roof can then be craned. In some other projects cranes not always necessary as the shorter spans can be erected using manual labor while the longer will necessitate lifting equipment.

• To ensure stability each truss erected after the first must be braced back to the other trusses.

Q26: Is Your Prefabricated Steel Roof Trusses Are Adaptable/Flexible?

Yes, absolutely. Our Prefabricated Steel Roof Trusses are extremely adaptable. They are designed and engineered to be easily extended if a second floor or more space will be added, or reused.

Q27: Is Your Prefabricated Steel Roof Trusses Can Be Build On A Concrete Slab?

Yes, our Prefabricated Steel Roof Trusses can be built on a concrete existing or new slab
Or concrete post mounts.

Q28: Will I need To Set My In Concrete?

This depends largely on your ground type and your local building code requirements.

You will need to exceed 25% of the posts in the ground and safely fastened using lateral support.
Our engineers will advise you accordingly.

Q29: Are Your Prefabricated Steel Roof Trusses Durable?

Our Prefabricated Steel Roof Trusses are extremely durable as they are designed, engineered, and manufactured to withstand the test of time and last 75 Years longer compared to other wood frame trusses due to the high strength durable steel used.

Our Prefabricated Steel Roof Trusses can support high-stress situations such as severe storms, hurricane-force winds, and high wind uplift ratings.

Q30: Do Your Prefabricated Steel Roof Trusses Require Maintenance?

Our Prefabricated Steel Roof Trusses require very minimal maintenance such as peri-odic exterior roof cleaning. Moreover, unlike other wood roof trusses which are susceptible to pests no pest control is needed.

As wood is an organic material, it can be damaged by termite and other type of moisture.

Q31: Is Your Prefabricated Steel Roof Trusses Fireproof?

Yes, our Prefabricated Steel Roof Truss System is fireproof being made of fire retardant materials, high tensile strength steel grades, high-temperature tested steel mechanical properties, and fire-retardant coatings protection is applied.

This will reduce fire risk, help you meet your local building codes and reduce your insurance cost.

Q32: Is Your Prefabricated Steel Roof Trusses Load Bearing?

Yes, absolutely. Our Prefabricated Steel Roof Truss system can support larger loads:

• 78 lb ground snow load.

•  120 mph wind.

•  Support approximately 100kg/m2 of Weight.

Q33: What Is The Wind Load Of Your Prefabricated Steel Roof Trusses?

Despite your location, your Prefabricated Steel Roof Trusses are designed, engineered, and manufactured to withstand maximum wind load requirements, even for an extremely high wind uplift ratings.

In addition, they are built to fulfill your local building code wind safety requirements.

•  Our Prefabricated Steel Roof Trusses are tested to ensure superior wind performance.

•  Engineering specifications can be provided upon request.

Q34: Does Your Prefabricated Steel Roof Trusses Support Heavy Snowfall / Rain Fall?

Yes, our Prefabricated Steel Roof Trusses are designed and engineered to support severe snowfall, snow accumulation, and heavy rainfall. We take into consideration your building Local code requirements while maintaining roof slopes to ensure rapid drainage.

Q35: Is Your Prefabricated Steel Roof Trusses Pest Resistant?

Yes, our Prefabricated Steel Roof Trusses are completely pest resistant and termite-proof

Being made of steel they are termite proof and they do not necessitate any chemicals treatment that may affect your indoor air. In the meanwhile, it will keep your maintenance bill lower.

Q36: Is Your Prefabricated Steel Environmentally Friendly?

Yes, our Prefabricated Steel Roof Trusses are classified among green buildings as LEED (Leadership in Energy and Environmental Design). However, being designed engineered, and manufactured with high-efficiency eco-friendly materials and techniques.

Moreover, steel is incredibly durable and 100% recyclable.

Q37: How Long Does Your Prefabricated Steel Roof Trusses Last?

Our Prefabricated Steel Roof Trusses are guaranteed for 50 Years in materials, they are designed and manufactured to last longer and withstand the test of time.

Q38: Where Do You Deliver?

We Deliver Nationwide across China and we Ship World Wide all over the World.

We offer a variety of services to ensure on-time delivery. Our team will give access to the most cost-effective shipping rates.

Q39: How Long Your Delivery / Shipping Takes?

All of our Prefabricated Steel Roof Trusses are built to order and takes from20 – 45 Days from the date of confirming the order.

We can arrange your delivery or Shipment to be sent to your site locations in a minimal time.

Q40: What Are You Warranties?

Our Prefabricated Steel Roof Trusses are backed by a 1-year manufacturer warranty on materials and workmanship.

Our Prefabricated Steel Roof Trusses have 70 years lifetime.

Q41: How Do I Order A Prefabricated Steel Roof Truss?

Kindly, contact us at  info@sunnyda-house.com
Our team will shortly respond to you and explain our simple ordering process.

Q42: What Prefabricated Steel Roof Truss Profile Suits Best My Building?

Sunnyda offers an unlimited variety of prefabricated steel roof truss profiles, from the more familiar to the most complicated steel truss roof system.

However, after your request being fully analyzed and engineered to meet all critical factors such as design, wind/snow load conditions, our consultants will help you choose the best profile that suits your aesthetics and functionality.

Q43: Can I get Prefabricated Steel Roof Trusses With No Overhang?

Yes. Our prefabricated steel roof truss can be manufactured without the overhang.

Q44: Is Prefabricated Steel Roof Truss Can Be Cut Or Altered?

No. Prefabricated Steel Roof Truss being designed and engineered as an integral system for a specific application, it cannot be cut as any moderations might affect the structural integrity of the prefabricated steel roof truss.