In Stock
16.90€ / bag
Ex Tax: 13.63€ / bag
0.68€ / kg
Mass (kg)
25
In Stock
140.70€ / bag
Ex Tax: 113.47€ / bag
0.14€ / kg
Mass (kg)
1000
Frequently asked questions about the Dry concrete mix category
What is Dry concrete mix and what is it used for?
Dry concrete mix is a factory-prepared blend of cement, sand, aggregate and additives that becomes usable concrete after adding the recommended amount of water. It is used for floor screeds, small foundations, concrete posts, paths and repair works, providing consistent quality and easy on-site handling.
What is the consumption of dry concrete in bags (25 kg) per m³ or for a post?
Consumption varies by mix; a 25 kg bag yields roughly 0.012–0.015 m³ of fresh concrete. For a post volume of 0.135 m³ you would need about 9–12 of the 25 kg bags; check the technical data sheet of the specific product for exact figures.
How does Dry concrete mix M300 differ from other grades?
Grade M300 denotes an approximate design strength (~300 kg/cm²) and is suitable for medium-duty structures like small foundations and posts. Compared with M100–M200, M300 contains more cement and aggregate, giving higher compressive strength and improved frost resistance.
How to choose dry concrete mix for posts?
For posts choose a mix around M250–M300, considering workability and aggregate size for proper compaction in the formwork. Also look for winter (talvine) formulations and plasticisers to improve placing and long-term durability.
How to prepare dry concrete mix: water per 25 kg bag?
Water dosage depends on the product; typically a 25 kg bag requires about 3–4.5 litres of water depending on desired consistency. Exact water amounts are printed on the product packaging and technical sheet (for example WEBER S-30, S-100) — follow those instructions.
What is the difference between 25 kg bags and 1 t big-bags of dry concrete?
25 kg bags are convenient for small jobs and precise dosing; 1 t big-bags are more economical for large volumes and site use. The mix composition may be identical (e.g. WEBER S-100 comes in 25 kg and 1 t), the difference is packaging and logistics.
Is WEBER S-100 dry concrete suitable for floor screed?
Yes, WEBER S-100 is suitable for floor screeds, available in 25 kg and 1 t formats and provides a consistent, durable mix. For thinner leveling screeds consider specialised products such as PÕRANDATASANDUSBETOON SAKRET ESTRICH C30 25kg.
Are there winter versions of dry concrete mix and what are their features?
Yes, the range includes winter (talvine) variants containing anti-freeze and accelerating additives to allow placing at lower temperatures. Always follow the manufacturer’s guidance on minimum pouring temperature and water dosing for winter use.
Can dry concrete mix be used for small foundation pours?
Yes, dry concrete mix can be used for small foundations when the appropriate grade (typically M250–M300) is selected and proper compaction is performed. For large monolithic foundations use design-specified concrete mixes.