Roof Concrete Ratio

Exact specifications vary but most concrete roofs are several inches thick.

Roof concrete ratio. Update your information about concrete roof tiles and shingles choose weather and fire resistant roofing material for your roof. The actual weights used to make 4 5 yards of 4000 psi concrete are. As long as you re consistent you ll get a good strong mix. 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.

The way you measure the ratio could be in shovels buckets or wheel barrows. 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. 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.

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. Conventional slope roof range between 4 in 12 and 8 in 12. Cement 2810 pounds. 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.

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. It can be measured easily on standard sized cube 15 cm and is often taken as an index of the overall quality of concrete. This ratio of cement concrete gives high strength of cement concrete and is recommended for following works. For general rcc work in buildings bed plates lintels rcc shelves pavement etc.

Compressive strength is the most important property of hardened concrete. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. To install such a roof a crew first builds a framework for the intended roof.