Concrete & Masonry

Five 3D concrete houses planned for the Netherlands By this time next year a town in The Netherlands, Eindhoven, will have its first few 3D printed homes built and ready for people to live in. There are a few companies working together with Eindhoven University of Technology and the local …

Here is a Classic Film Clip on How to Build a House This film clip that was made back in 1946 on how to build a house is a must watch for anyone contemplating doing any sort of building. Even though it was made so many years ago the process …

The Implications of Building Retaining Walls Part K of SANS 10400, Walls in the National Building Regulations (NBR) covers the structural strength and stability of all walls, including those that form part of a house or other building, and both garden and boundary walls. They also deal with retaining walls …

Cold Weather and Concrete Foundations The surrounding local temperature has a big effect on the setting time of concrete. The steps to take during cold weather are outlined below:  Chemical Reaction Hydration is the chemical reaction when cement and water are combined. This produces a strong binding medium for the …

A Concrete  Placing Guide   Concrete foundations This guide will help owner builders to cast foundations. These foundations are for external brick walls around a new house, or for extensions of an existing house. THE NHBRC (National Homebuilders Association Council) requirements for house foundations: For single storey buildings with a tiled or …

How to Decorate Floors with Concrete Concrete floors do not have to be drab and grey. Oh No! There is a South African company that manufactures and supplies specialised coatings especially for you to give your floors that million dollar look. Fairly easy to mix and to apply it is …

A Table for Concrete Mixes by Weight in Kilograms, by Bag, and by Cubic Meter, for Various Strengths We have had numerous requests for concrete mix ratios by weight, by volume, and by mass. Here is a table that was released by the Cement and Concrete Institute for trial concrete …

By-Law Definitions for Planning, Building and Zoning These definitions are mainly, but not exclusively, extracted from the Greater Metropolitan Area of Cape Town’s By-Laws Planning and Zoning definitions and explanations. They do and can relate to terms and phrases used nationally by other Municipalities and planning departments. We will be …

Definitions that are used in the Home Building Industry Words and definitions that are used in the home building industry are sometimes a little difficult to understand what is meant. Here we have a list of some terms that are used with an explanation of what it is the person …

Strategic Planning of Boundary Walls and Fences Boundary walls and fences are one of the most controversial topics facing homeowners. We are constantly contacted by people from all parts of South Africa who want advice – or have some sort of problem – relating to boundary walls and fences – …

Concrete Mixes & Batch Ratios For Different Applications The basic techniques that will enable you to cast a foundation or slab are relatively straightforward. The secret to success lies largely in the correct quantities being mixed together in the concrete mixes you use. Although the principles of mixing concrete  and …

Concrete Slab Step-by-Step Whether you are casting concrete for foundation footings to support a simple timber structure, or for a solid slab that will form the floor of a garden building to be built from wood, the principles are exactly the same. Of course, if the slab is to act …

Understanding what’s Underfoot The type of floors specified in building plans will determine the materials required as well as which sub-contractors or specialists are going to be involved in the building project. There are many floor coverings and floor finishes for our homes and buildings, but in construction there are only …

Walls Support the Roof and other Loads-Part K The fundamental structure of a house is formed by its external walls, which must support the roof and take any other load that is built above. The section of the National Building Regulations that deals with walls is SANS 10400-K  and it …

Building Regulations that Apply to Floors-Part J The Application of the National Building Regulations that apply to floors (Part J of SANS 10400) are certainly not exhaustive. In fact, if you think of how much of our house is floor, it’s what we might, in South Africa, describe as a biekie …

Regulations for Foundations-Part H A Focus on Safety Foundations, Part H, of any structure, large or small, must be built to safely transmit all loads of the building to the ground. If foundations are not correctly built, walls may crack and at worst, could even collapse. While the National Building …