How to build a deck on a flat roof

Can I put a deck on my flat roof?

Building a deck over a flat roof is very similar to building a deck over a concrete patio. Then, you will install “sleepers” or flat 2x6s laid flat every 16” on top of the roof surface. … This will provide the surface for you to attach the decking.

Will a flat roof take my weight?

A flat roof can only be used for recreational purposes if it’s constructed to take the weight of continual walking and any equipment you bring up. If you’re not sure about this, you should have it surveyed by a structural engineer before attempting this use.

Can you build a deck on a pitched roof?

A deck on a sloped roof requires a different approach to the framing underneath the joists. Roof deck framing, unlike for decks at ground level, doesn’t entail a ledger attached to the rim joist of a house. Instead, a pair of beams rest on supports called sill plates to create a frame for the deck.

Can I turn my flat roof into a roof terrace?

In most cases, an existing flat roof will be used to create a roof terrace. In concrete or steel frame buildings, the existing flat roof is likely to have enough structural strength for a terrace, because the roof is constructed like the floor structures below.

Do I need planning permission for a raised deck?

Putting up decking, or other raised platforms, in your garden is permitted development, not needing an application for planning permission, providing: Together with other extensions, outbuildings etc, the decking or platforms cover no more than 50 per cent of the garden area. …

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How much value does a roof terrace add?

According to London estate agents Marsh & Parsons, having a balcony or roof terrace adds an average of 12% to the value of a flat (2015 figures), whilst a survey by Chestertons discovered similar findings with outdoor space said to add around an 8% premium to a property’s value (2016 figures).

How do you cover a balcony roof?

Opt for a lean-to structure if you want a permanent yet affordable cover. You can find light roof structures made of either PVC sheets or fabric. If you choose to cover your balcony with a lean-to type structure, you won’t be able to cover and then uncover it on a day-by-day basis, as you can with a retractable awning.

What is the best waterproof deck coating?

Liquid Rubber Polyurethane Deck Coating

The perfect product to add a hard, durable, waterproof surface to any deck or patio. Liquid Rubber Polyurethane Deck Coating is a high-performance polyurethane elastomeric coating that cures into a waterproof membrane with excellent UV stability.

Can I use plywood for a deck?

The only kind of plywood you should use as decking material is marine plywood. … Marine plywood is seven to eight layers thick, and the epoxy used to bind the layers is waterproof. On top of that, the plywood itself is treated with a waterproof sealer.

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