Mortar Mix For Roof Valleys

Meets astm c 270 specifications for type m mortar and meets south florida and metro dade building code requirements.

Mortar mix for roof valleys.

It is also the preferred mortar mix for soft stone masonry. 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. It appears that this aspect and the mortar around the verges are not covered in any guarantee. It was also highly recommended for its workability slump adhesion and strength.

Oldcastle sakrete roof tile mortar mix is a mixture of high strength masonry cement and sand. I am going to repair the work myself and have been told that a 4 1 mix using sharp sand and a small amount of pva added to the water is the way to go. It s specifically designed for bedding clay and concrete roof tiles. Type n mortar mix has a medium compressive strength and it is composed of 1 part portland cement 1 part lime and 6 parts sand.

Tested extensively by the nhbc it performs as well as the best custom mix mortars. Designed to set clay and cementitious roof tile. If an incorrect ratio is used this is the outcome click to enlarge. Hi there are lots of reasons for the mortar to fall out different pitch slopes tiles etc the way i wall the valleys up with new mortar is using the right mixture of sand and cement 3 sand 1 cement with added pva if you bed tiles in wet mortar and then leave to dry for at least 24 hours you can then add second coat of mortar making sure you coat over first coat of mortar with ova first i guarantee this will last for years also i would like to add use a very course sharp sand in your mix along.

Metro dade project number 11 1222 07. Strong cement isn t likely to wash out.