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View Product ReviewsBlue Circle Postcrete Cement 20kg
Blue Circle Postcrete Cement is a ready-to-use blend of 1 selected sand, cement and additives formulated for fixing wooden, concrete and metal posts.
Express Delivery
Tomorrow
Standard Delivery
Fri 20 Jun
- 0days
- 6hrs
- 44mins
- 57secs
Product Overview
Blue Circle Postcrete Cement is a ready-to-use blend of 1 selected sand, cement and additives formulated for fixing wooden, concrete and metal posts.
Delivery & Returns Information
All delivery charges are shown in your basket and are dependent on the total value of items in your basket based on product category.
This charge is based on delivery to mainland UK excluding the following postcodes: AB, CF, DD, DG, KW, IV, LD, LL, NP, PH, SA and SY. If your delivery address is in any of these postcode areas a member of our customer service team will contact you prior to processing your order should an additional delivery charge apply. We do not offer deliveries outside the UK mainland.
Standard (Nationwide) Delivery
Core Products Core
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ORDER VALUE | DELIVERY CHARGE |
Under £300 ex. VAT | £25 ex. VAT |
Over £300 ex. VAT | FREE |
Core Delivery charges apply only when all products in an order that have equivalents are accepted as such. If even one product cannot be substituted with an equivalent, the entire order will not qualify for Core Delivery charges.
Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
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ORDER VALUE | DELIVERY CHARGE |
Under £100 | £20 ex. VAT |
Between £100 - £250 ex. VAT | £15 ex. VAT |
Over £250 ex. VAT | FREE |
Insulation, Plasterboard and Drylining Products | |
ORDER VALUE | DELIVERY CHARGE |
Under £150 | £50 ex. VAT |
Between £150 - £400 ex. VAT | £35 ex. VAT |
Over £400 ex. VAT | FREE |
SuperFOIL and YBS products | |
ORDER VALUE | DELIVERY CHARGE |
Each item | £10 ex. VAT |
Over £350 ex. VAT of 1 brand | FREE |
Screws & Fixings and Adhesives & Sealants | |
ORDER VALUE | DELIVERY CHARGE |
Under £100 | £7.50 ex. VAT |
Over £100 ex. VAT | FREE |
Express Delivery
Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
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ORDER VALUE | DELIVERY CHARGE |
Under £300 | £50 ex. VAT |
Over £300 ex. VAT | £35 ex. VAT |
Express Delivery - Insulation and Plasterboard & Drylining | |
ORDER VALUE | DELIVERY CHARGE |
Under £400 | £50 ex. VAT |
Over £400 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{fence}} Suitable for fixing wooden, concrete and metal fence posts
- {{update}} Sets quickly in 5-10 minutes
- {{water_drop}} Ready to use with just the addition of clean water
- {{verified_user}} Comes in handy 20kg weatherproof, tear-resistant plastic bags
Technical Specification
Bag Type: | Plastic |
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Sales Unit: | Bag |
Brand: | Blue Circle |
Weight: | 20kg |
Status: | Non-Returnable |
Technical Downloads
What is Postcrete?
Postcrete is a fast-setting, ready-to-use concrete mix formulated to fix all types of fence posts - including wooden, metal, and concrete. It contains a controlled blend of cement, graded sand, and performance-enhancing additives, eliminating the need for traditional mixing.
Designed for speed and ease of use, Postcrete is poured directly into a water-filled post hole. The powder reacts with the water in situ, beginning to set within 5-10 minutes. This rapid-setting makes it ideal for fencing projects where multiple posts need to be installed in a short space of time.
Commonly used for garden fencing, gateposts, rotary washing lines, and signage, Postcrete provides a solid, stable base without the mess or equipment required for traditional concrete mixes.
Its practical 20kg weatherproof packaging ensures it can be stored outside without degrading, and the bag is tough enough to withstand transport and handling on busy sites.
Applications
Postcrete is ideal for securing a wide range of vertical supports where speed and ease of use are key. Typical uses include:
- Wooden and concrete fence posts
- Metal fence posts and bollards
- Small gateposts
- Rotary washing lines
- Signposts and decking supports
- Garden structures like pergolas and arches
Whether you're replacing a fence or building from scratch, Postcrete speeds up installation without compromising strength.
Benefits
- Sets quickly in just 5-10 minutes.
- Ready to use with just the addition of clean water.
- Minimum working temperature for Postcrete is 3°C.
- A blend of sand, cement and additives.
- Allows quick fence panel hanging in around 10 minutes.
- Product formulated for fixing wooden, concrete and metal fence posts.
- Comes in handy 20kg weatherproof, tear-resistant plastic bags.
How to Use Blue Circle Postcrete 20kg
- Prepare the hole - Dig a hole that is three times the width of the post and at least one-third of the post height above ground.
- Add water - Fill the hole with clean water to around one-third of its depth.
- Pour in Postcrete - Add Blue Circle Postcrete directly into the hole, ensuring the dry powder completely covers the water surface. Lightly sprinkle water over the top if needed.
- Position and level the post - Adjust the post as required, ensuring it is straight and in the correct position. The mixture will begin to firm up within 5-10 minutes.
- Secure the post - Once set, cover the hole with soil or turf.
- Fix fence panels - After 10 minutes, the post will be stable enough to attach fence panels.
Important Installation Notes
- Do not mix Postcrete with water manually or with a machine - it is designed to set in place.
- Check the manufacturer’s guidelines for the correct quantity of Postcrete needed for different post sizes.
For additional product guidance, visit the manufacturer’s website or refer to the packaging for further details.