Finchampstead Passivhaus

A blog by Dan F in General

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Passive House Plus timber-frame new build in Finchampstead, Berkshire.

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Drainage + EPS

After around 18 months of planning things have finally been moving a lot faster over the last couple of weeks which is great! I'll try to summarise the interesting bits: Type 2 vs. Type 3 Our EPS was installed on a sub-base of 150mm MOT Type 2 and 50mm sharp sand for blinding. Structurally this is absolutely fine, but there was an awful lot of and fro with the foundation designers about if permeable type 3 + grit should actually have been used as specified in the system certif

Dan F

July 24, 2020

Preparing for Foundations

Demolition, site clearance, reduce dig and installation of pre-insulated pipes for ASHP and potential future garden room. The pre-insulated pipe we used in the end was "REHAU RAUTHERMEX 25mm+25mm/111mm DUO PIPE". The ground was luckily fantastic, apart from one area with some roots and a couple of soft spots left over from the demolition. So we managed to avoid the extra 800mm reduced dig that had been specified based on 2 trial holes in the old front garden. At over 200m2, that w

Dan F

July 2, 2020