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Roof Ridges & Hips

Why is there such a range of prices for dry fix ridge and hip systems?

Like all products, ‘there are a range of quality and function available to purchase’. The quality, function, durability and usability of the components can all vary, and some kits may not be truly universal or been fully tested to the recently introduced British Standard for dry fixed ridge, hip and verge products.

Many costs of producing these kits and getting them to market can be similar, therefore small increases in cost can deliver a much better product.

What is the Rollflex component made from in the CON6+ and CLAY6+ kits?

The centre strip is a polypropylene fabric perforated to meet BS 5250 ventilation requirements with a corrugated aluminium edge strip to suit all profile tile requirements. This also contains a wider and thicker butyl adhesive strip than is offered with many other systems.

What is the maximum roof pitch for CON6+ and CLAY6+?

This is generally not a limitation of the kit, unless deeply profiled tiles are being used at very steep roof pitches.

Because there is no mortar packing to compensate, it is important with all dry fix ridge and hip applications that the ridge or hip tile is chosen for compatibility with the roof pitch and the external roof covering slate or tile. The edge of the ridge or hip tile should sit on the corrugated metal strip.

What is the minimum roof pitch for CON6+ and CLAY6+?

The system is designed to be used at the minimum pitch that is recommended for the slates and tiles that are being used. In low pitch applications, it may be necessary to build the ridge battens or ridge tree higher to accept the stainless steel screw supplied with the kit.

Can CON6+ be used with mono ridge tiles?

Yes, in some situations it can however it is dependent on the ability to be able to securely fix the ridge tile. The supporting timber below the ridge tile may need to be increased in height to allow this fixing and an extra piece of flashing material may be required, subject to detail, at the bottom of the vertical side of the tile.

Can CON6+ be used with capped angle ridge and hip tiles?

Yes, the jointing gasket is uniquely designed to facilitate this. It requires drilling the capping section of the ridge tile to receive the main fixing screw and snipping off the side of the ‘T’ tabs on the side of the gasket. A detail showing this is available upon request.

Can CON6+ be used with baby ridge tiles?

Yes, however it will be necessary to trim the jointing gasket length to suit the baby ridge and the roll will require a ‘tuck’ under the tile to reduce the effective and visible width of the Rollflex strip.

Do I need to use the ridge batten straps included in your dry fix ridge kit?

The stainless steel ridge batten straps supplied with the kit are the simplest and most convenient way of securing multiple battens at the ridge on trussed rafter roofs, and may also be used on traditionally cut roofs that incorporate ridge boards or ridge trees. These straps are used in the load testing required under the BS 8612 dry fix Standard for ridge fixing to demonstrate compliance.

Straps are generally not required on the hips, however the hip battens and any hip packer battens must be screwed to the roof structure and not nailed.

 

Click for more information on the CON6+ and CLAY6+

We also have a range of fixing kits available depending on the application – download the datasheet here


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Long March, Daventry, Northamptonshire, NN11 4NR, UK
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