New flat roof but what type?

[David Wheeler]

Hi all, I have inherited a single skin block built room that is joined to the back of the house. It has a (leaking) tiled roof but the pitch is only 5 degrees. I want to insulate it and turn it into an office as it is just used for storage at the moment. Just wondered if anyone had any ideas as the roof is shot and I have been advised by a roofer to put a flat board roof covered in felt on it due to the low pitch.
Just wondered if anyone out there had any suggestions or had put a similar roof on a building.
Thanks in advance.

 

[Bosswhite]

I would flat board it and cover with EPDM Rubber sheeting . Refelting has had its day .

 

[Notch7]

I would flat board it and cover with EPDM Rubber sheeting . Refelting has had its day .

Yeah, I'm a fan of EPDM too, great for simple roofs, not so good for complex junctions and awkward shapes.

 

[David Wheeler]

Thanks guys, the roof is a simple 9x5 ft rectangle that butt's upto the back of the house. Is this a job fir the pros or one that can be done by a diy'er. Would it still be a case of using lead flashing on the join or is there another product that I could use. Thanks again.

 

[Notch7]

Thanks guys, the roof is a simple 9x5 ft rectangle that butt's upto the back of the house. Is this a job fir the pros or one that can be done by a diy'er. Would it still be a case of using lead flashing on the join or is there another product that I could use. Thanks again.

It can be done DIY very well. Go to rubber4roofs and look at their videos and install instructions.

You can use a metal wall trim for abutments to a house wall.

 

[David Wheeler]

Thanks guys will keep you posted with the progress, you've been really helpful.

 

[noseall]

It will require insulating and to a robust standard that takes into account ventilation if needed. It will also need to be signed off.
Do it badly and you will have rot from within. Warm deck system is the flattie of choice. It can mean ugly deep fascia but good performance.