However they fell out of favour until recently.
Flat roof balcony construction.
They are merely placed on top of another structure.
Building a deck over a flat roof is very similar to building a deck over a concrete patio.
You will be expecting your flat roof to bear more weight which means that you must consider the implications of this extra load before building commences.
Flat roof types.
The insulation is applied above the roof deck with waterproofing on top which eliminates the need for ventilation and keeps the roof warm.
Insulated above the deck.
It must provide adequate protection against the elements keeping the buildings structure and interior dry.
Providing useable space on a flat roof is an attractive proposition for many building types.
Others would treat even steeper pitches as flat roofs.
Warm roofs are recommended for homes.
A roof with a maximum slope of 10 from the horizontal.
Having a flat roof balcony or any type of balcony for that matter used to make you the envy of friends and family in previous centuries.
For people living in flats and apartments a balcony is a way of accessing an outside space without being at ground floor level.
Building a deck on a flat roof is neither difficult nor time consuming.
Installing balconies or terraces opens up the roof allowing you to take advantage of the open space available.
A flat roof must be strong durable and stable throughout its lifetime.
Make the most out of your new roof.
A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less.
The upper trafficked surface of the balcony.
Two people can install a brand new deck in a weekend with little or no previous construction experience.
Before beginning however it is important to do two things.
These decks are often referred to as floating as they are not secured in place as a stand alone structure.
Inspect the roof to make sure it is in good condition and acquire any permits that may be required by the local zoning board.
The definition of a flat roof according to bs 6229 is having a pitch less than 10 o to the horizontal however some in the industry would consider up to 15 o as their definition of a flat roof.
By engaging the expertise of a structural engineer to advise on how your flat roof can support whatever materials you decide to use patio slabs or decking you can save yourself a lot of hassle and money further down the line.
The structural substrate of the flat roof.
Systems may be used at a greater pitch where they meet the requirements of this chapter and materials are adequately held in place.
When building a flat roof it is vital that a degree of falls is built into the construction to ensure rainwater run off.
Balconies are making a comeback.