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Roof Verges

How do you joint your continuous dry verge systems for slates such as the DV7?

The adjoining profiles are simply overlapped by 100 mm or so, with the upper section inside the lower one. This prevents any water draining out of the joint allowing it to be carried down to the eaves.

Where there is a sprocket or change of angle in the verge, the end of lower section is cut to be perpendicular to the angle of the upper section allowing the upper section to fit inside without distortion. Click for more information on the DV7.

What is a batten end clip?

A batten end clip is the term given to a device that is fitted on to the batten ends at the verge to allow nailing or screwing into the end grain of the tile or slate battens.

Screws are sometimes recommended without a batten end clip but can be unreliable over long periods or if the batten ends are wet when the screw is inserted.

Do I need to use batten end clips with your range of interlocking dry verge systems?

This will depend on the application. If it is desirable or necessary to ensure long term secure fastening, then batten end clips should be used as end grain fixing is not reliable or recommended.

Can all your interlocking dry verge systems be classified as one of the verge tile fixings under BS 5534?

Yes, they have all been tested for suitability and compliance. If the dry verge system is to be used or classified as a fixing, then the Danelaw batten end clips (HD IDV/BC) should be used, and they should be of the type and design tested to demonstrate wind zone compliance with the verge system being used under BS 8612.

I can source a similar batten end clip type product cheaper, so is there any reason not to use those instead?

Hambleside Danelaw have not tested other manufacturers batten end clips with any of the Danelaw dry verge systems, therefore compliance to BS 8612 cannot be claimed where these are used. Not all products available on the market meet the minimum product specifications for these either.

Is your HD IDV interlocking dry verge system universal?

It is the most universal product on the market for single lap interlocking tiles, but may be limited in application depending upon the required batten gauge and is not suitable for some clay products with an interlocking headlap arrangement where the tiles are installed to a fixed gauge.

For thin leading edge tile types we would recommend out HD TIDV interlocking verge system that retains all of the features and benefits of the HD IDV system.

What is the minimum and maximum batten gauge of your HD IDV and TIDV?

The batten range is from 260mm to 355mm.

Can I use the HD IPTDV dry verge system on plain tiles?

No, this dry verge system is designed to suit single lap interlocking tiles that simulate the appearance of double lap plain tiles.

Currently there are no dry verge systems specifically designed for double lap tile installation.

For more information on the HD IPTDV, click here.

Does the design of your interlocking dry verge systems prevent staining on gable walls from the rainwater run-off?

Yes, all our interlocking verge systems have design features specifically to prevent this and discharge water away from the wall complying with the test described in BS 8612. They should be installed with a small gap between the verge units and wall or barge boards.

How do the Danelaw design dry verge units divert water away from the brickwork when they connect with starter units?

At each course, only a little bit of water will pass into the verge unit where it will drain away rather than into the next lower unit. The same thing happens where the first unit is engaged with the starter unit which, by its very nature, extends beyond the line of the building or fascia board.


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Hambleside Danelaw Limited
Long March, Daventry, Northamptonshire, NN11 4NR, UK
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