General contractor, plans, design, engineer, architect for a basement renovation in Montreal

A group of entrepreneurs and designers in basement renovation coming together to renovate the basement of your house into a: family room, home theater, wine cellar and even into a Bachelor’s apartment. We are general and specialized RBQ licensed contractors and professional interior designers offering a guarantee of renewal and each having a specialty: several general contractors for big works, cabinetmaker, interior designer and even a structural engineer to design and approve structural plans.

Our services

construction renovation cave a vin au sous-sol montreal

Inspections, impartial advice, consultations

entrepreneur renovation sous-sol cinema maison montreal

Plans, architecture, structure, design

entrepreneur renovation sous-sol salle familiale Montreal




Videos about basements

Water infiltration, efflorescence and crumbling of the concrete foundation in the basement

Daniel Dargis, engineer, tells us about a case of water infiltration and efflorescence in the basement. What are the things and clues to observe? How to assess and analyze the situation? What are the progressive solutions in terms of budget, quality and guarantee of the work? Several aspects are addressed in relation to the presence of water and humidity in the basement..

Inspections of cracks, water infiltration, efflorescence, concrete slab in the basement

The presence of water in the basement does not always mean the presence of cracks and infiltrations. It is important to know how to observe, to know the different construction techniques that have evolved since the 1900s. There is not necessarily a universal repair technique for all situations of water in the basement (drain, membrane,...)..

How to transform a basement into a bachelor

Daniel Dargis, engineer, talks to us about the steps to consider in analyzing, planning and carrying out the transformation of a basement in habitable space, such as: bachelor, housing, apartment, condo. Contact the municipality, make official documents, call on a designer, ensure supervision of the work. The stage of supervision of the work by a professional having participated in the design of the plans, is particularly important.

Lintel beam for a basement window opening

In this case, the client found himself with a floor subsidence on the first floor, caused by joists that were only supported by the frame of a basement window. It is a question of artisanal work which was carried out in the past without taking certain precautions. The intervention consists in adding a steel lintel above the basement foundation window in order to properly support the floor joists on the first floor.

Efflorescence of masonry, brick, concrete foundation, slab and balcony

Here is how efflorescence can be found in various places on the building: the basement slab, the foundation walls, and on the masonry... . What can cause this efflorescence? What are the signs to notice? What are the progressive solutions in terms of budget, quality and guarantee of the work? Here is a brief introduction to the presence of efflorescence inside the basement and outside on masonry (brick) and balconies, through real situations.

Inspection of basement, foundation cracks, water infiltration, insulation and French drain

Here are 5 possible sources, the most common, of water infiltration in the basement and the actions (minor or major) to be taken, according to the indications, the budget and the investment plan of the customer in the short, medium and long term. The first possible source of water infiltration or leakage (on the basement floor) is the foundation crack, then...

Basement renovation and retaining walls in a crawling space

Construction of a retaining wall in a basement (also known as a "crawling space") to house hot water tanks. This was done to free up space in the living quarters. We can see the work in progress but also the 3D structural plans for the reinforced concrete walls and the steel columns to support the beam of the first floor.

Digging of a basement, a crawling space for a house extension

Daniel Dargis eng. explains some elements to consider before thinking about doing an expansion project by digging a basement. This is even before starting architectural plans. It is always a good idea to have an engineer visit the site first and then guide the architect or technologist to avoid plan corrections. It is also important to have the structural work supervised by an engineer to obtain a letter of compliance.

Basement layout plans and 3D sketches

How 3D perspectives help to better understand the architecture and structure of the project, facilitates work, serves as a dispute prevention tool and reduces the risk of conflicts.

House lifting and foundation reconstruction and basement renovation

When lifting a house and rebuilding the foundation is necessary, what is involved and what are the steps for demolition and rebuilding the foundation and basement? This is one of the few videos that shows how the contractor goes about lifting the house and rebuilding a new foundation. Specialized synchronized hydraulic equipment is used to gently lift the house in a balanced manner to limit cracking.

Group of general contractors, engineers, architects for plans and design of basement renovations in Montreal

Whether it is for a partial basement renovation by adding only a wall to create a room, remove a carrier wall to replace it by a beam and create more space or renovate it into a family room, a laundry room, a bathroom and storage space, or build a home theater, a wine cellar or transform it into a Bachelor’s of 2 ½ or 3 ½ rooms to generate rental income with a separate outside entrance, then we can help you.

We do everything from A to Z. First we meet with you to take your ideas, your budget and we offer a range of clear and detailed services which may include: drawings & plans, specifications, interior design and renovation. Then a work schedule is established and we do the turnkey work taking care of everything. You will see your basement gradually transform into a dream space.

Our group of basement renovation Montreal contractors covers a wide area around the region of Montreal: Laval, Blainville, Terrebonne, Mirabel, Saint-Jérôme, Kirkland and the West Island, Vaudreuil, La Prairie, Saint-Hubert Longueuil, Brossard, Boucherville, Beloeil, Repentigny, Châteauguay, Mercier.
We are the experts in basement renovation.

Do not hesitate to contact us!