In this case lifetime caulk.
How to fit ridge tiles on a slate roof uk.
If your property s roof is in the green moderate part of the uk but you know of prevailing bad winds or weather you may wish to use the other chart instead.
Bottom edge of strap folds up to hold pair of slates in place while adhesive sets up.
Connect the next ridge tile using a ridge union and union clamp.
Remove the paper covering the butyl strip and firmly press the corrugations onto the roof tiles starting with the profiles and moving to the troughs.
Minimum slate headlap moderate weather this table of slate overlaps and roof angles shows common sizes of roofing slate and the recommended slope for the corresponding slate size.
Now you can start fixing the ridge tiles.
Proceed up hip with first pair of hip slates cut at an angle to fit against ridge slates.
Mortar bonded ridge tiles.
The ridge tiles have to seal the top of the roof and overlap onto the slates tiles on each side by at least 75mm 3 inches for slate and flat faced tiles this is achieved by using a fairly stiff 1 3 cement sharp sand mortar bed along the tops of the tiles slates.
Lay pair of short ridge slates over strap hanger on bed of adhesive.
For a weather tight joint the ridge tiles should over lap roof tiles or slates by a minimum of 75mm on each slope.