Manos a la Obra - Calculadoras

Manos a la Obra APP is the ultimate technical tool and materials calculator for bricklayers, contractors, civil engineers, architects, construction foremen, and anyone passionate about construction and remodeling.

MATERIALS AND YIELD CALCULATORS:
- Bricks and Masonry: Solid common bricks (stretcher/header bond), hollow blocks (8x18x33, 12x18x33, 18x18x33), 19x19x39 concrete blocks, and Retak/AAC blocks with adhesive mortar yield.

- Structural Reinforced Concrete: Mix designs for H-15, H-21, and H-25 per m³ (cement, coarse sand, crushed stone, and water) and a reinforcement estimator for ribbed steel (diameters 6, 8, 10, 12 mm and stirrups) for slabs, columns, beams, and tie beams.

- Drywall Construction (Durlock / Knauf / Steel Framing): Automatic calculation of gypsum boards (1.20x2.40m), track and stud profiles, T2/T3 screws, joint compound, and paper tape.

- Ceramic Tiles, Porcelain Tiles, and Flooring: Coverage per m², boxes to purchase with waste (+10% or +15% diagonal), baseboards, and recommended adhesive selection (Klaukol Standard, Klaukol Porcelain Tile, or Klaukol Flex).

- Roof and Terrace Waterproofing: Liquid membrane (in buckets) and asphalt membrane in rolls (4mm) with surcharges for overlaps and priming.

- Construction Paints: Interior latex, exterior rainproof latex, synthetic enamel, and available in commercial cans (20L, 10L, 4L). - Metal Roofing and Trusses: T-101 corrugated and trapezoidal metal sheets, 2"x6" wooden trusses, 2"x1" purlins, thermal insulation, and vulcanized self-drilling screws.

- Plumbing and Sanitary Installations: PN20 thermofusion pipes (20, 25 mm), PVC/PP sewer drains (110, 63 mm), and fittings.

TECHNICAL TABLES AND CONSTRUCTION SPECIFICATIONS:
- Electrical (AEA 90364 Standard): Table of mm² cables vs. circuit breakers (10A, 16A, 20A, 32A).

- Widia Drill Bits and Fischer/Py Anchors: Selection by anchor size (N5 to 12), required screws, and load capacity.

- Dosage of Traditional Mixes: Waterproofing coat, rough plaster, fine plaster, screed, and subfloor, expressed in mason's buckets (10-12L).

Reference Labor Prices: Indicative values ​​and indices per m², m³, or per task to guide your budgeting.

PRO ESTIMATE TOOL: Create formal quotes in seconds. Break down labor, materials, contingencies, and taxes (VAT), and export it directly to a professional PDF or send the completed quote to your client via WhatsApp.