Fixing Big Six Roof Sheets: Ridge, Nails & Birds
Big Six is our biggest-selling roof sheet, but getting a lasting result out of it comes down to a handful of details most guides skip: the right fastener, a properly...
14 September, 2026
Author: webmaster
Roof & Ceiling Insulation Guide for SA Homes
If your ceiling isn't insulated, your roof space is doing more to set the temperature of your home than your heater or aircon is. We've recently added insulation to our...
14 September, 2026
CCA vs Vacsol: Which Treated Pine Do You Need?
When you're choosing treated pine for a project, CCA and Vacsol describe two different preservation processes, not two grades of the same thing. Picking the wrong one affects how the...
14 September, 2026
Hardboard Sheets: Sizes, Uses & Prices
Hardboard, also known as masonite, is one of the most reached-for sheet materials on a South African building site, but it rarely gets explained. This guide covers what hardboard actually...
31 August, 2026
Best Wood for Pergolas in South Africa
With spring building season underway, pergolas are one of the most popular outdoor projects South African homeowners take on. But choosing the timber is where most people get stuck: do...
28 August, 2026
Flexible (Bendy) Plywood: Uses, Sizes & Tips
If your project calls for a curve rather than a straight line, standard plywood will crack before it bends into shape. That's where flexible plywood, better known as bendy ply,...
27 August, 2026
Nordic Pine: SATAS-Approved & New In Stock
Online Building has just brought in Nordic Pine decking, a SATAS-approved timber that has quickly become one of the most requested outdoor materials in the Western Cape. If you have been...
27 August, 2026
Building Board Types Compared: MDF to Nutec
Walk into Online Building and you'll find MDF, shutterply, marine ply, hardboard, MagnaBoard, Nutec and bendy ply all stocked side by side. They can look similar off the shelf, but...
27 August, 2026
How Long Do Nutec Houses Last? Lifespan & Care
Are you looking for a durable, affordable building material for housing construction? At OnlineBuilding.co.za, our Nutec building materials are a fantastic option, as this material offers superior strength and durability,...
31 July, 2026