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Post Mix
Post Mix is a ready-to-use concrete blend designed for fixing fence posts, bollards, signage, and rotary dryers quickly and securely. It requires no mixing tools - simply pour into the hole, add water, and allow to set. Ideal for both professional contractors and DIY users, it significantly reduces time on site. Its fast-setting formulation supports posts within minutes, making it an efficient choice for both domestic and commercial settings.
Osmo Post Fix
Fast setting polyurethane foam designed specifically for supporting and backfilling of wooden, PVC, steel and many types of in-ground posts. Easy to use; no more handling heavy bags of concrete, water, or messy mixing Quickly sets (3-5 minutes) and fast to apply No time wasted loading and unloading heavy concrete bags Important!...
Instarmac UltraCrete Post Fix Rapid Hardening Concrete
A 10mm concrete formulated for sub-surface use and fast installation of posts, signs, fences, street lighting, speed cameras and road side barriers. Professional grade Easy mix Fast set 41N/mm² compressive strength Two-part mix Please note: This product is subject to a minimum order quantity of 2 x pallet layers of 56 x 25kg Bags (112...
Instarmac UltraCrete Super Fix Single Part Post Mix
For the installation of light duty posts, fences and poles Light duty applications Rapid set: 15 minutes Pre-blended, just add water 25N/mm² compressive strength Please note: This product is subject to a minimum order quantity of 2 x pallet layers of 56 x 25kg bags (112 x 25kg bags in total) More Information Delivery Info
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High-Performance Post Mix for Fence Posts and Fixings
Post Mix building supplies offer a convenient, pre-blended alternative to hand-mixed concrete for post installation. It eliminates guesswork and saves time on site by removing the need to manually combine materials. The product is widely used in fencing, landscaping, and groundworks, delivering dependable strength and weather resistance. It can be poured directly into the hole with water, making it a straightforward option for quick installation and repair.
Trusted brands like Instarmac manufacture high-quality Post Mix solutions tailored to professional and domestic users. Their formulations are designed to achieve a balance between speed of set and long-term durability. These pre-packaged products come in weather-resistant bags, helping ensure consistent performance regardless of on-site conditions. Post Mix continues to be the go-to choice for a wide range of exterior fixings, reducing labour time and improving results across different soil types.
Post Fix FAQs
Can Post Mix be used in wet weather?
Yes, Post Mix can still be used in damp or wet conditions, though standing water should be removed from the hole before application.
Does Post Mix expire?
Most products have a shelf life of around 6 to 12 months if stored correctly in dry, sealed conditions.
Is Post Mix suitable for metal posts?
Yes, it can be used for securing both timber and metal posts, as well as bollards and small structures.
Can Post Mix be reused once opened?
No, once exposed to air or moisture, the chemical reaction may begin. Any unused material should be discarded.