nightjar nightjar@ wrote:

The only point I would make about the construction is that, when I built a
30 sq metre shed (to make a snooker room for a 9' x 4'6" snooker table), I
used cut to length and pressure impregnated timber for the base and floor.
In theory, pressure impregnated timber has a 15 year life expectancy, while
timber painted with wood preservative, which we used for the shed itself,
has a 10 year life expectancy. The snooker room went up in 1982. The floor

Yup good point - did not think of that at the time.

With anything under the floor (i.e. stuff I anticipated never getting at
again) I did not so much "paint" as "soak" everything in preservative. I
am hoping that along with it getting airflow under should keep it going
for a while. I put a layer of DPC over every brick as well.

is still in good condition, but the shed is showing its age in places and it
will need its third roof if it is to survive much longer. The current owner
of the house is having it fitted out as her office.

I don't know what life to expect from my one. It is three layer, first
one nailed and the rest bonded. But it was cold bonded rather than hot tar.


--
Cheers,

John.

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