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Keder Roof

Keder roof, also known as temporary roof system or weather protection system. It is made from Aluminium material, is a lightweight roof system for protecting weather.

The Keder is a roof structure consisting of aluminium trusses. The roof itself is made of PVC tarpaulin and is mounted into Keder rails on the trusses. The finished result is always tight, neat and durable.

APAC is the China Leader supplier for the keder roof, we can provide complete solutions for the kede roof system. The products have already been successfully sent to Europe,North America, Australia etc.

Professional Keder Roof to Support Your Business

APAC Keder roof system is designed to be mounted without the use of a Crane, has been proven to be over 20 years of continual use in extreme climatic conditions.

APAC has designed a unique boltless connection where the entire roof can be installed without tools.

With universal beams for everyday scaffolding tasks, APAC Keder roof systems are suitable for any scaffolding product and ensure maximum stock availability.

APAC’s uniquely designed Keder rails are connected to keder sheets for wall cladding, making the entire keder roof system quick and easy to install.

Just send us your detailed project requirement, we will give you the best weather protection solution.

Increase Your Business with Keder Roof

APAC Keder roofs are available with 40cm, 70cm, 78cm and 133cm beam options installed in single-pitch, double-pitch or arch configurations, multi-purpose weatherproofing for roofs and scaffolding.

The distance between trusses is 2.57m, 3.07m, or 7′ (2.1m), 10′ (3.05m) for all scaffolding systems, or you can customize the truss distance to fit your scaffolding span.

The surface of the APAC keder roof consists of a high quality PVC tarpaulin and Keder rails to form a waterproof covering. It is a non-insulating, rainproof cover under which uncontrolled condensation and dripping may form, depending on the weather.

APAC Keder roofs are available in widths up to 18 m and can be installed without a crane. For spans over 18 m, further structural design is necessary.

APAC’s special Keder roof support provides the highest possible versatility for all assembly variants and compensates for any tolerances due to the lower pad surface.Snow loading for APAC Keder roof is possible but needs to be specified and designed separately.

The unique structure of the APAC keder roof is designed in such a way that only every fifth interval needs to be completely supported with wind braces.

As a result, fewer Keder roof ledgers are required in the intermediate bays. The insertion of connections or snap-on claws at the individual components ensures very short assembly times.

Components of APAC Keder Roof

Ridge Beam

The Ridge Beams help to form an 18 degree duo pitch roof depending on the requirements of the project.

Unit Beam

Manufactured from EN AW 6082 T6 Alloy, these form the main structural member of the APA keder roof.

Beam Spigot

Four holes spigot used in conjunction differing lengths of Unit Beams, Ridge Beams and Eaves Beams to one another.

quick release pins

12mm quick release pins are used in conjunction with the four holes Beam Spigot, to connect differing lengths of APAC Beams.

Horizontal Brace

Used to connect two adjacent beam lines (trusses) together, attached to the top and bottom chords of the beams.

Double Horizontal Brace

Used to connect two adjacent beam lines (trusses) together, attached to the vertical posts of the beams using a special claw casting.

Diagonal Brace

Attached diagonally between the top of the vertical posts of the Unit beams at the position of the Brace Frames.

Ratchet Strap

2″ (50mm)width ratchet straps secure and tension the roof sheeting to the supporting structure at the eaves

Eave Spigot

Positioned within the top chord of the Unit Beam at the eaves and fixed in position with a Quick Release Pin.

Sheet Pull Bar Assembly

Inserted through the Sheet Tension Bar at one side of the sheet,  guiding the sheet smoothly over the roof.

Sheet Tension Tube

Special length tubes to be used in the ends of each Roof Sheet to enable installation and tensioning.

Sheet End Coupler

Fixed the coupler to the bottom chord of the beam and make sure the PVC sheet be tensioned tightly.

keder roof sheeting

APAC Keder roofing sheet is a temporary roof covering that provides excellent weather protection.

Moveable Rail System

The moveable roof rail system consists of Rail Beam, wheels, wheels connector and roof beam connector.

Fixed Beam Support System

The fixed beam support system consists of U head for open ended scaffold, Beam Support Unit,  and beam connector.


Trending FAQ

Frequently Asked Questions

Kedar roof is a roofing system that you can use for temporary uses. The components of the kedar roof are manufactured from aluminium, which gives them a lightweight property. This gives you the advantage of a highly portable feature with the keder roof.

Moreover, the connection system of the keder roof is designed with an adaptive and flexible pattern. So, you can quickly and easily assemble them in different ways for your temporary roofing solutions. Once you are done, you can again dismantle them easily and set them up elsewhere.

Typical Keder Roof

Figure 1 – Typical Keder Roof

The components of the keder roof system are:

  • Lattice/unit beam:The lattice beam is the main part of the roof truss section. You have to connect the lattice beam between the ridge section and the eaves section. The length of the lattice beam will depend on the size of the span.
    Another essential feature of the lattice beam is the keder rail. The keder rails are bulged out shapes so that you can get enough space to pass thin components like rope or wire into them. So, you can easily add the roof cover fabric with the keder frame. There are two types of lattice beams.
    • Lattice beam for double-pitched roof: The spigots in the lattice beams for the double-pitched roof are situated at the two final ends.

Lattice Beam For Double-pitched Keder Roof

Figure 2 – Lattice Beam For Double-pitched Keder Roof

    • Lattice beam for mono-pitched roof:The spigots in the lattice beams for the double-pitched roof are situated on both sides of each truss section since you only need them for the spacer.

Lattice Beam For Mono-Pitched Keder Roof

Figure 3 – Lattice Beam For Mono-Pitched Keder Roof

  • Ridge beam:You need the ridge sections only for double-pitched keder roofs. Here it connects the two lattice beams from two sides and forms a slope by creating an angle in the middle portion. For a single-pitched keder roof, you don’t need a ridge section as you have to use a single, long section of lattice beam.

Figure 4 - Ridge BeamFigure 4 – Ridge Beam

  • Eaves section:The eaves section is the edge portion of the keder roof truss. The top member of the eaves section has a sloped edge to direct the keder fabric downwards to finish the edge portion. If you want to connect the roof cover fabric with a wall, the eaves section can direct it following the pattern.
  • Ledger:You have to install the ledger section between two neighbouring trusses. So, they act as a member to brace the framing system.
  • Diagonal brace:You have to install the diagonal braces between the top end of the vertical post and the bottom, opposite side of the vertical post.

Figure 5 - Diagonal BraceFigure 5 – Diagonal Brace

  • Stiffener:The stiffener acts as the framework supporting members to provide lateral stability.
  • Roof covering sheet:The roof covering sheet is the main component in the keder roof that makes the top roofing. The sheet is normally manufactured from materials with weather protective properties. You can install the roof covering sheet on top of the lattice beam to cover the entire frame.
  • Support:You can connect the support system with the supporting part of the beam, connector and scaffolds with open ends.

The mono-pitched roof has a single flat surface, and the double-pitched roof has two surfaces connected with an angle between them for the slope. Consider several factors to decide whether you want to install a mono-pitched or double-pitched roof:

  • Initial cost and overall cost-effectiveness:The mono-pitched roofs are cheaper for first-time investments than the double-pitched keder roofs. But the overall cost-effectiveness is profitable with a double-pitched keder roof.
  • Time of assembly:The structure of the mono-pitched roof is very simple. So, you need to work with fewer components to assemble the mono-pitch keder roofs, which will take less time to set up. Comparatively, the structure of the double-pitched roof is slightly complicated. So, you need to work with more components to assemble them, taking more time to set up.
  • Support strength:The double-pitched keder roofs can offer you more strength compared to the mono-pitch keder roof. Choose the type based on the strength that you are looking for.
  • Durability of roof covering fabric:The roof covering fabrics on the mono-pitched keder roof undergo high abuse from vertical weathering components like snow or rain. In the double-pitched keder roof, they contact at an angle, reducing the impact. So, the covering can offer you more durability in the long run.
  • Interior spacing:With the double-pitched keder roof you can get more interior spacing. So, they can help you in terms of material storage, more tooling and working space, etc.

The keder roof can offer you numerous benefits for temporary roofing solutions. Some of the common benefits are:

  • The components of the keder roof are manufactured from aluminium, which makes them extremely lightweight. So, you can easily transport them to the location where you want to assemble them.
  • Keder roofs are highly durable due to the material properties of the components. So, you can use them for a long time.
  • The connection procedure between the keder roof components is designed so that you don’t need additional tools. So, you can quickly and easily assemble them during installation. You can also quickly dismantle them for use in other areas.
  • Keder roofs are a cost-effective approach for your site’s temporary roofing solutions.
  • Keder roofs will offer you high adaptability and versatility. So, you can use them for various application scopes.

Pro-tips: For installing only the large-sized keder roof (XL), and above certain heights (18m) the crane is mandatory. Below that, you can easily manage to install the keder roof with manual support.

Typically you can use PVC tarpaulin for the keder roof covering. They can offer you heavy-duty protection against extreme weather conditions. They have heat-resistant and UV-stabilising properties, which will offer you great advantages. You can use tarpaulins for both the gable part and the top roof covering.Figure 6 – PVC Tarpaulin Fabric Used For Keder Roof Covering

The keder roofing system has two types of components, the framing part and the covering part. The keder roof frames are manufactured from aluminium, which is extremely resistant to corrosion. So, they are highly durable, and you can use them for a long time.

The covering part is made from PVC tarpaulin, which is also a highly durable material. So, as a combination, the total keder roofing systems are highly durable.

With the Keder roof system, APAC can brace light, standard, or heavy-duty roofs. The Keder roof is available in widths up to 18 m and can be installed without the use of a crane.  
Depending on the static system and load, an unsupported roof span can exceed 26m.  
As building structures become larger, APAC is setting higher spans for temporary roofing on construction sites or stages. Likewise, the new ones retain many of the advantages of the Keder Roof System, including its weight, versatility, and ease of installation.
As long as it assumes the requirements of local weather conditions, a 40-meter span is possible!

APAC Keder roof system support for all modular scaffolding system, such as ringlock scaffolding system, HAKI scaffolding system, Allround and SpeedyScaf Scaffolding Systems.
The roof surface consists of high-quality PVC tarpaulins guided using aluminum keder tracks and forms a watertight covering.
If you are using the temporary systems like Keder RoofXL from Layher, UBIX Aluminium Temporary Roof System, HAKITEC 750 Roof, SSP Clear Span Temporary Roof System or DESSA UNI Roof, our custom made temporary roof sheeting can be your alternative option.
APAC Keder roof sheeting Sheeting are suit for all modular keder temporary roof systems, with particular expertise in fire retardant technology.

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