[modeleng] Re: Workshops

With the shed-at-the-end-of-the-garden, a lot will depend upon whether you 
are building it, or paying someone to do it for you.
Also, will it come within the ambit of Planning Permission and Building 
Regulations?

The first thing to check is the thickness of the existing concrete. Probably 
easiest way to check is dig down just outside it to see how thick it is.

If possible, i.e., the concrete thick enough, or you can dig a foundation 
outside of the existing concrete, then a lightweight block construction will 
be strongest and have the best insulation value. 5" blocks being much better 
in this respect than 4".
There is a new type of block construction where there is only a thin gap,and 
the blocks glued together instead of mortar. Quick and simple to apply and 
it is supposed to be better at heat retention too.
Inside the blockwork, I would go for the plasterboard that is lined with 
polystyrene. That will add to the U value.
On the outside, you could have anything from paint, to render, to, whatever.

As for the roof, timber frame with sheet board (usually flake board) covered 
with felt is probably easiest.
They also do a fibreglass alternative to roofing felt. More expensive but it 
has a 25 year guarantee.
Inside the roof, I would add sheet polystyrene to assist heat retention.

As for rooms in roof spaces, there is a heap of regulations that affect this 
and it is probably best to get professional advice.

alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

www.alanstepney.info
Model Engineering, Steam Engine, and Railway technical pages.




----- Original Message ----- 
From: "Tim Rickard" <the_viffer@xxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Monday, November 22, 2004 10:49 AM
Subject: [modeleng] Workshops


We are considering some building works at Rickard Heights.


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