What is the cost of constructing a strip foundation and what factors influence the final estimate??

Building a solid foundation is one of the first and most important steps in the planning of a construction project. Because of its adaptability and fit for a variety of soil types, the strip foundation is a popular option among the different types of foundations. Comprehending the expenses associated with building a strip foundation is imperative for precise financial planning and to prevent unpleasant surprises later on.

A strip foundation’s price can vary greatly depending on a number of variables. Important factors influencing the final estimate are the kind of soil, the building’s size and design, and the materials used. The cost may also be affected by local labor rates and any unique site circumstances, such as the requirement for excavation in rocky terrain or the existence of groundwater.

The foundation’s depth is another crucial component. The depth of the foundation may need to be increased, resulting in higher labor and material costs, depending on the soil’s composition and the requirements for load bearing. Moreover, the overall cost will increase for any extra requirements, like insulation, waterproofing, or steel bar reinforcement.

Comprehending these variables facilitates decision-making and aids in creating a practical budget for your building endeavor. You can more accurately estimate the cost of installing a strip foundation and guarantee a strong start to your project by taking into account the unique requirements of your site and the design of the building.

The type of soil, the width and depth of the foundation, the materials used, labor costs, and any extra features like insulation or drainage systems can all have a significant impact on the cost of building a strip foundation. Comprehending these variables can aid homeowners and builders in generating more precise budget projections and averting unforeseen costs. One can strike a balance between durability and cost-effectiveness by carefully planning every element of the foundation and taking into account local conditions.

Turnkey LF – what does it mean??

Pile, slab, pile-grillage, and strip are the four types used in low-rise construction; the latter is particularly common and well-liked.

Several advantages elucidate why it typically becomes a preferred option for consumers:

  • versatility of use – from a small structure made of logs to a monolithic building;
  • significant savings on building materials compared to other types of foundations for buildings;
  • the possibility of carrying out a much smaller volume of excavation work, which also has a lowering effect on the total cost;
  • with a small building volume, you can do without a cushion of sand and gravel;
  • can be made monolithic or prefabricated – different parts are used in a prefabricated structure.

Signing a contract with a builder or contractor is known as turnkey construction. It covers every aspect of collaboration, from the point of bookmarking to the estimated or precise completion date. The future home’s owner is limited to accepting the completed foundation and covering the cost of the work.

What is included in the cost of building a foundation for a house??

Price is a value determined for a particular project rather than a category that is constant. It is impacted by a number of variables, none of which an outsider is even aware of until they come across construction:

  1. Cost of building materials – concrete, concrete blocks, reinforcement, lumber for formwork, thermal insulation (recently polystyrene foam boards have been used), waterproofing (for example, bitumen mastic), sand and crushed stone for cushions).
  2. Delivery of construction materials and unloading on site are paid separately if the contractor does not do this or the wholesale warehouse does not provide delivery to the site (usually the cost of delivery is included in the price of the product).
  3. If the owner does not prepare the site himself, he pays for the preparation of the site and marking the foundation, which are carried out according to the construction plan approved by the local administration.
  4. Excavation – a shallow foundation is built on soil with good characteristics. In regions with difficult climates, soil is excavated to the freezing depth. It depends on local conditions, but in any case it should be 15-20 cm below this indicator, otherwise there is a risk that the foundation will float. In warm areas, the groundwater level is taken into account. The depth also depends on the design loads – the size and height of the building, the type of building materials.
  5. In permanent houses, the price includes the installation of a compacted pillow, the need to install drainage devices is taken into account if the groundwater level requires it.
  6. Work of installers – formwork, reinforced frame, separate reinforcement of corners, removal of formwork after concrete hardening. Here everything depends on the chosen type of foundation – monolithic or prefabricated, the scope of work.
  7. Processes with concrete – pouring the tape in the ground and above the ground requires a large amount of solution and the labor of several workers. Therefore, it makes sense to use the services of specialists – a special team hired by the owner or provided by a company with which an agreement has been concluded.

An unskilled builder believes that by doing everything himself, he can save labor costs. However, inexperienced mistakes can have unintended consequences that are more expensive to fix than paying employees.

An approximate list of all works and their average price is given in the table:

Name of works Approximate cost, may vary What can affect?
Planning and marking of the site from 79 RUR. kv. m (by agreement) Location of septic tanks, communications
Digging a pit or trench 700-1000 rub. kv. m. The depth depends on the type of terrain, the cost depends on the type of soil and depth
Filling and compacting sand and gravel cushion 150 rub. kv. m. Size and building materials of the house
Installation of wooden formwork 100 rub. kv. m. Type of strip foundation
Installation and tying of reinforcement 900 rub. kv. m. Thickness of building material and complexity of design
How much does it cost to pour concrete? 2000 rub. kv. m. Concrete grade and availability of mechanized devices
Drainage systems From complexity Groundwater occurrence and precipitation amount
Passages for communications By agreement with the contractor If provided for in the project

If there is a chance that a crew could live on the site, the price listed might be lower.

List of all materials and average prices for them

The average cost of building materials in Moscow and St. Petersburg is displayed in the table. Depending on the area, retail or wholesale chains, the kind of product bought, and its caliber, it could change:

Material type Approximate price, rub.
Moscow St. Petersburg
Crushed stone, m. cube. 1000 800
Sand, m. cube 390 400
Gravel, per 1m3 830 700
Lumber, m. cube 4500 4800
Concrete, m. cube 3100 2400
Reinforcement A3 No. 12-16, p. m. 31-55 38-60
Needle-punched geotextile 2×25 m (50 sq.m) 2200 2066
Film for cushion insulation 100 microns 3×100 m (300 m.kv.) 1400 1500
Fixed formwork made of expanded polystyrene (foam), concrete 150/200/250 mm, walls 40 mm, 4 lintels, PSB-S-35 180 196
Bitumen mastic (18 kg) 1300 1515

How are costs determined??

The average price per square meter for services provided by construction companies in Moscow is around 3.5 thousand rubles. Although this seems like a significant amount of money for a house foundation, if you do the math on your own, the average option ends up being less expensive.

It turns out that building without professionals actually costs more money in practice:

  1. Labor costs include separate payment for installation and construction work. If it is impossible to do them yourself, then their cost will be more expensive than when ordering a complex.
  2. When calculating the volume of materials for formwork, you can assume one price, but pay more due to the sale by the piece or in linear meters.
  3. The volume and class of concrete depend on the conscientiousness of the contractor or the desire of the customer, the size of the foundation, but this is a quarter of the cost.

Numerous parameters are determined by the tape’s dimensions, such as the reinforcement’s length and the quantity of building materials required. Higher delivery costs are another effect of this.

What does it depend on?

The formation of the cost of work can be influenced by a number of factors. For instance, discounts and promotions may be applicable (free installation of a communication network in concrete or formwork dismantling) if a builder completes a complex of foundation installations.

Such suggestions are available during a period of pause in the economy. In large cities with high service demand, pouring and installing m3 of formwork is more expensive.

The crew’s accommodations must be considered at remote locations; otherwise, travel costs will render their work unprofitable.

Extra labor can be done on a freelance basis, for a different fee, or as a gift. The project’s complexity is always one more thing that drives up the estimate’s price.

Features for deep and shallow belts

Excavating a trench to a depth below the frost line is necessary to build a deep belt. A cushion of sand and gravel needs to be filled, and this requires an extra 15 to 20 cm below this level. This cushion needs to be compacted.

The cost of backfilling and sand and gravel compaction is additional to the earthworks cost. The cost of building materials and additional labor is another factor driving up the price. Although shallow depth is less expensive, it necessitates soil and foundation waterproofing and insulation.

Differences in turnkey costs with and without materials

Customers frequently think they can cut construction costs by buying their own materials, but in reality, this isn’t always the case.

You can use materials that are bought in bulk and at a discount when you reach a contract with a legitimate builder who won’t add extra money to the cost of building supplies.

Without materials, construction needs separate purchasing, payment for delivery, and unloading.

Prices per linear and cubic meter

Construction firms are able to provide their services, quoting by the linear or cubic meter.

A linear meter measures length in a one-dimensional plane that is one bayonet deep. A computation based on the tape’s volume is called a cubic meter.

A house’s m3 of strip foundation must be manufactured and poured at a cost of about 14,000 rubles. Concurrently, the price per linear meter amounts to approximately 2200 rubles.

How to save money?

Though there are plenty of options, some of them are just not acceptable. For instance, working independently is less expensive, but you cannot do this without the bare minimum of knowledge, expertise, or free time.

You can buy building supplies, transport them yourself, and unload them, but this will come with a higher price tag because of fuel costs. A group of shabashniks will charge less for the work, but if there is hacking, there won’t be anyone to sue and repairs will be costly.

The simplest method is to compute costs, compare quotes from various businesses, and select a reputable contractor who charges a reasonable (though not the lowest) price.

It is important to take into account a number of important factors when estimating the cost of building a strip foundation. First and foremost, the foundation’s depth and size are very important. Deeper or larger foundations cost more because they require more labor and materials. The state of the soil has a big impact on costs as well; unstable or challenging-to-excavate soils may require extra steps like reinforcement or specialized tools, which raises the final cost.

Second, the budget is impacted by the kind of materials used. Although concrete is a standard material, prices can vary depending on quality and additives. The location of the construction site also affects cost because of regional variations in labor costs, material availability, and local building codes or regulations that might call for particular reinforcement or foundation depths.

Moreover, a key factor in cost estimation is the intricacy of the foundation design. Various factors, like the existence of hills, adjacent buildings, or the requirement for waterproofing, can drive up costs. It’s also important to schedule construction during times of market stability because timing and economic conditions can have an impact on labor and material costs.

In conclusion, a variety of factors, such as size, location, materials, complexity of design, and economic variables, affect the cost of building a strip foundation. Homeowners and contractors can more effectively anticipate and control the costs related to this crucial aspect of building construction by being aware of these influences.

Video on the topic

Control of strip foundation reinforcement

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Foundation. Strip foundation. estimate 2025.

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Milan Yashina

Design engineer, specialist in development of design documentation. I will help you correctly design your home or other building.

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