house self build

House Build Flooring

Self leveling screed
Block & Beam floors 1
Block & beam prices
Flooring protection
22mm chipboard flooring with rip off none slip surface.
Celotex insulation info pdf



House Flooring Finishes
Ground floor, Will be built with Block & beam with a perimeter & supporting walls of flat laid concrete blocks to a height of 200mm. Then a   blinding layer of soft sand to around 25mm with damp proof membrane. Then 80-100mm insulation by kingspan or celotex with a 90mm level screed to top of 2 course. 
Not sure on floor finishes, but will be looking at wood, tile, & epoxy resin with under floor heating.

Placing The Beams
For block & beam ground floors onto masonry, beams should be laid on a d.p.c with a minimum bearing of 90mm. Care should be taken to ensure that the beams do not protrude into the cavity.

Infill Blocks & Grouting
The whole floor should be grouted with a 1:6 cement / sharp sand or 1:4 soft sand mix as soon after laying as possible. This is best achieved by thoroughly wetting the floor and then brushing the grout in to form a firm cohesive floor. The importance of proper grouting cannot be overstated. Where 2 or 3 beams are placed together they should be infilled with concrete.

Domestic garage floors must have a minimum 50mm thick 20N/mm2 concrete screed reinforced with A98 steel mesh, applied direct.

Infill blocks of the specified density should be placed between beam ends to ensure the spacing of the beams is accurate. In all cases, our layout drawing will recommend a starting point for each bay. Once all beams are in position the remaining infill

1st Floor, will be joisted using I-Beams & 18 or 25mm glued interlocking plywood board that is water resistant  & laid on a bead of silicone on all joists. This floor is to be laid before the construction of any of the 1st floor exterior or internal walls. On reading up on using chipboard, it seems many have had problems with it over the years.