FREQUENTLY ASKED QUESTIONS
You have to insure that your contractor is in possession of a construction contractor licence bestowed by the Régie du Bâtiment. Refer to the RBQ website to consult the registry. Work executed by an unregistered « contractor » could cause you serious problems especially in regards to the warranty of the work done.
Did you know… for the foundations…
- All foundation work must be levelled under the frost line.
- During extension work the new foundation must be attached to the existing foundation using steel studs because concrete does not stick to concrete.
- When laying concrete, the wet mix must not be in the cement mixer for more than 2 hours.
- Concrete attains 75% resistance after 7 days but 28 days are necessary for it to cure completely.
- The longer concrete stays liquid, the better. This prevents micro cracking.
- Walls of the foundation must be insulated in continuity with the floor and the walls.
Did you know… for construction…
- It is preferable to let the structure of the house breathe before installing insulation even if dry wood is used.
- Beams and roof trusts are structural elements and no frame must be cut or modified without the details of the renovation being approved by the manufacturer.
- Tar paper must be installed under the asphalt shingles otherwise the manufacturer's warranty is void.
- A membrane must be installed on he eave to prevent water infiltration by ice formed by the loss of heat from the exterior wall.
- Ventilation of 1/300 of the area of the roof is necessary.
- The joints of studs must be caulked before installing a vapor barrier.
- Exterior wall must have an insulation indicator of R-24.
- The air contained inside is what provides the insulation, not the material.
- Insulation that is installed too tightly is not efficient.
- Tar paper must be installed under the subfloor in the basement and in the case of hardwood floors.
Did you know… for the plumbing…
- It is impossible to weld a brass pipe if water is still inside.
- Every return pipe must be ventilated (except cetain cases where the diameter of the pipe is sufficient).
- The minimum incline of a sewer pipe is 1/8 po per foot.
Did you know… for the electricity…
- A service electrical wire cannot travel more than 3 feet inside the home without being encased in concrete.
- A service electrical wire cannot be more than 3 feet above the roof.
- An electrical outlet must be installed with the ground up.
- An electrical outlet cannot be installed less than 1 meter from a sink without being GFI.
- The outlets for the microwave, refrigerator, dishwasher and countertop must be on individual circuits on the electrical panel.