Overview Post Mix Concrete 20kg is a premixed concrete product for setting fence posts, letterboxes, clotheslines and garden posts in Melbourne building and landscaping projects. Key Features Material: premixed concrete. Dimensions: 20kg bag. Finish: dry concrete blend. Supplied per bag. Specifications Check dimensions, batch variation, colour, finish and compliance notes before payment or pickup. Follow the product bag directions, wear appropriate PPE and confirm MPa, set time and yield before use. Where to Use Suitable for setting fence posts, letterboxes, clotheslines and garden posts. Confirm drainage, substrate, engineering or manufacturer guidance where the site requires it. Installation & Care Keep bags dry and sealed before use, follow the bag directions for water addition, mixing, working time and curing, and wear suitable PPE when handling cementitious materials. Delivery & Pickup Confirm current stock, suburb access, unloading method and delivery timing with BuildBarn Hallam before payment.
Check sizing, installation preparation, returns, pickup timing and delivery suburb before payment. Availability depends on the selected options.
Post Mix Concrete 20kg is available for pickup, delivery or a quote depending on stock, size and location. Check finish, quantity and site notes before payment.
Post Mix Concrete 20kg can be checked for Hallam warehouse pickup once stock, selected option and loading timing are confirmed.
Post Mix Concrete 20kg can be checked for pickup or delivery. Current delivery guidance for the selected option is Delivery quote required.
Check selected size, colour or profile, pickup or delivery status, installation notes and related accessories before payment or pickup. Key visible details include premixed concrete, 20kg bag, dry concrete blend.
Based on pickup, delivery and product-detail feedback.
Post Mix Concrete 20kg was easy to match with the required fixings and delivery notes before the job was booked.
Mark T.Builder · Verified pickup orderThe product details made it clear what to check before payment, especially sizing, finish and freight handling.
Sarah L.Owner-builder · Melbourne delivery checkCheck compatible clips, screws, trims and subframe materials before adding the order to cart.
Long lengths and bulky materials are checked against suburb, truck access and unloading requirements before payment is confirmed.
Yes. Select the required option, add site notes and send the product through the bulk quote path when quantities or freight need review.
Add the main item to cart or send the set for quote review when accessories, freight or quantities need checking.
Main itemPost Mix Concrete 20kgRequest quote per bag
Timber & Sheet MaterialsCypress Dressed Post 115 x 115 mm$82.60Timber & Sheet MaterialsCypress Dressed Post 140 x 140 mm$150.00Timber & Sheet MaterialsCypress Dressed Post 90 x 90 mm$52.60Enter project area in metres to estimate material quantity.
Ask BuildBarn about sizing, compatibility, delivery access or installation notes before payment or pickup.
Add matching clips, screws, trims and delivery-ready extras before checkout or a bulk quote.
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