Concrete Foundation Post – Charcoal Straight XL M20

Concrete Foundation Post – Charcoal Straight XL M20

The Concrete Foundation Post – Charcoal Straight XL M20 offers a robust, stylish, and practical base solution for large timber structures such as log cabins, gazebos, canopies, and larch garden buildings. With its substantial XL dimensions and weight, this foundation post provides excellent stability and strength—perfect for supporting larger upright beams and heavy loads.

Crafted from high-quality anthracite-coloured concrete, its straight design ensures clean lines and a precise fit under canopy walls or structural elements. This model also features a pre-welded mounting plate on the threaded end, simplifying installation and allowing for a secure and adjustable connection to timber uprights.

Key Features:

• Heavy-duty XL concrete post for superior load-bearing capacity

• Straight profile for easy levelling and clean alignment

• Pre-welded mounting plate for convenient post attachment

• Finished in modern anthracite for a sleek appearance

• Compatible with 15×15 cm or 20×20 cm timber uprights

• Suitable for use with M20 threaded metal height adjustment plates (12×12 cm plate with M20 hole)

Specifications:

• Weight: 45 kg

• Material: Concrete

• Colour: Anthracite

• Length: 40 cm

• Width: 22 cm

• Thickness: 22 cm

Installation Guidelines:

• Place two-thirds of the base in the ground on a stable tile or slab

• Secure using at least one bag of quick-drying cement

• Ensure 100% right-angled setup—check that diagonal post measurements are equal

• Pre-drill and screw the metal plate into the base of your timber post (70–80 mm countersunk screws recommended)

• Carefully rotate and fix the upright onto the base and temporarily brace with battens