Roof Concrete Ratio

Roof cement is primarily used to hold roof tiles hip tiles and ridge tiles securely in place it also keeps out rainwater.

Roof concrete ratio.

Size of aggregates mm water for dry aggregates liter water for aggregates condition from dry to moist batch liter water for best consistency liter small precast work fence posts poles garden furniture and other work of very thin sections. This ratio of cement concrete gives high strength of cement concrete and is recommended for following works. Water cement ratio theory states that for a given combination of materials and as long as workable consistency is obtained the strength of concrete at a given age depends on the w c ratio. A low slope roof is anywhere from 2 in 12 to 4 in 12.

It means 1 part of cement 2 parts of fine aggregate coarse sand and 4 parts of coarse aggregate. Update your information about concrete roof tiles and shingles choose weather and fire resistant roofing material for your roof. Cement 2810 pounds. As long as you re consistent you ll get a good strong mix.

Compressive strength is the most important property of hardened concrete. For general rcc work in buildings bed plates lintels rcc shelves pavement etc. Exact specifications vary but most concrete roofs are several inches thick. The mix ratio of 1 2 3 consists of 1 part cement 2 parts sand and 3 parts stone plus some water to make a concrete mix you can use for most any building project.

This concrete batch ticked show you the ratio of how much cement stone and sand is used to make 4 5 cubic yards of 4000 psi concrete. Conventional slope roof range between 4 in 12 and 8 in 12. The way you measure the ratio could be in shovels buckets or wheel barrows. To install such a roof a crew first builds a framework for the intended roof.

For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. The lower the w c ratio the higher the concrete strength. The actual weights used to make 4 5 yards of 4000 psi concrete are.