The Self Build Self Help Site Block and Beam Floors

A one-stop shop of information for people interested in self build - whether self building a complete home or undertaking an extension, renovation or modification.

Design

Main Structure Floor Structure Wood or laminate floor Walls Windows Stairs Roof

Planning

Reclaiming your VAT Services Before Starting Scaffolding Good Things to Have Tools for DIY & Repairs DIY Projects: 5 Top Tips Site Security

Project Management

Site Safety Hiring Contractors Buying Materials Materials Handling Waste Management

Doing Stuff

Block & Beam Floor Building a Chimney Flue Drains Fixing a Wall Plate Forming a Chimney Stack Insulating the Loft Keeping Water Out Landscaping Painting & Decorating Rendering a Gable End Replacing a Radiator Retaining Walls Roof Truss Installation Roof Windows
Block and Beam Floors

Concrete between Beams

Where a beam is situated next to an external wall, which can be the case depending on the house dimensions, and where 2 or 3 beams are laid together to provide strength where needed, such as underneath stairs or to get the spacing right, the gap must be filled with concrete. The photos below shows 3 and 2 beams together and a beam adjacent to a wall.

Photo of block and beam in preparation

Photo of block and beam in preparation

Grouting between Blocks

Click on all photos for a larger view

Photo of block and beam in preparation


Yet another irritant is to grout all the voids between beams and blocks with a 3:1 sand:cement mix.

Provide for Underfloor Ventilation

Photo of block and beam in preparation


Every 1.8 metres a telescopic vent is cemented in instead of a slip block. Here the vents are seen cemented into the inner leaf. The top end of the vent has to be incorporated into the outer leaf.

Photo of block and beam in preparation


If building the outer leaf in block, another irritant is to work the blocks around the outer opening of the telescopic vent.

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