6
6
Boxer
Base Requirements
The minimum base size required is equal to the overall building size. Assuming no suitable existing
surface, the base should be a minimum of 125mm concrete on to well consolidated hardcore.
The concrete should be of minimum C20/25 grade in accordance with BS8500 Concrete: The
Complementary British Standard to BS EN 206-1.
The base should be flat, level and square, and preferably be raised slightly above the surrounding
ground level.
Base Fixing
Base fixing (by our customers) is accomplished using the expanding anchor bolts supplied. Refer to
the base fixing instructions supplied with the fixings for correct installation in accordance with the
manufacturer’s recommendations.
Finally, apply an external mastic seal to the perimeter of the building.
63
45
125
35
97
95
300
45
Plastic cover cap
Flat, level and square
concrete base (by customer)
95 x 45mm treated
softwood plinth
Mastic seal
(by others)
2mm vinyl floor covering on 15mm
exterior grade plywood with vapour
barrier to underside.
45 x 45mm treated
softwood bearers
25mm insulation to underside of
plywood in between bearers.
Expanding anchor bolt
Base Fixing Detail