How To Fit Ridge Tiles On A Slate Roof Uk

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.

How to fit ridge tiles on a slate roof uk.

After you have secured all of the tiles place the ridge tiles along the top section of the roof. 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. For more information about installing roof tile like how to fit the tiles around obstacles on the roof read on. Roof cement is primarily used to hold roof tiles hip tiles and ridge tiles securely in place it also keeps out rainwater.

However this method was complicated getting mortar up to a rooftop is not a simple task and it has been deemed unsafe since mortar crumbles and fails over time and ridge tiles can come loose posing a potential risk to people on the ground below. 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. Dry ridge isn t always suitable or desirable especially on some period properties. Dry ridge vs mortar or sand and cement.

The correct mix ratio is 3 parts sand to 1 part cement this is much stronger than bricklayers use 5 1 as the cement on the roof must withstand more driving rain than a typical brick wall.