Structrum Limited sells construction materials from its shop at structrumlimited.co.ke. The company is based in Kasarani, Nairobi. The shop lists 46 products. Most fall into seven material groups. Aggregates and sand supply the raw bulk. Hollow blocks, pots and foundation stones build walls and slabs. Box profile, corrugated, Elegantile and Versatile sheets cover roofs. Ceramic tiles and adhesives finish floors and walls. Bitumen, latex and waterproof cement keep water out. Concrete admixtures improve the mix. Hardware items such as chicken wire and gasket paper complete the range. Every product carries a listed price in Kenya shillings. Delivery terms differ by product group. Each group is explained below. Prices here are shop listings from October 2026. Call 0703394990 to confirm stock before you order.

What are the raw bulk materials Structrum sells?

Aggregates and sand are the bulk materials in concrete, mortar and plaster. Structrum sells ballast and three sand types. Ballast is crushed stone, known in Kenya as kokoto. It forms the coarse part of a concrete mix. Sand forms the fine part. The shop lists black sand, rock sand and red river sand. Each differs in source and colour. Sand prices are per ton and include transport within Nairobi. Ballast is sold by the lorry load of 18 tonnes. That load costs KSh 32,400, which is KSh 1,800 per tonne. Order aggregates first. Foundation work starts with them. Every later material depends on a sound base. Together they set the strength of the concrete. Quantities depend on the mix ratio your engineer specifies.

Ballast (kokoto)

Ballast is a crushed stone aggregate. It goes into foundations, slabs and railway tracks. The listing is a mixed load of ¾ inch and ½ inch stone. The ½ inch size suits structural concrete. The ¾ inch size suits heavier foundation work.

Black sand

Black sand is mined in Naivasha. The shop lists it at KSh 2,000 per ton. It suits construction, industrial use and landscaping.

Rock sand

Rock sand is listed at KSh 2,300 per ton. It is sold for concrete work, buildings, roads and infrastructure. It carries a 5.00 out of 5 rating on the shop.

Premium red river sand

Red river sand comes from natural riverbeds. Its terracotta colour comes from high iron oxide content. The shop lists it at KSh 2,400 per ton.

Which blocks and stones are available for walls and slabs?

Structrum sells three kinds of walling and slab units. Hollow concrete blocks build walls. Hollow pots form ribbed slabs. Foundation stones mark the start of a project. The shop lists three block sizes and four pot sizes. Blocks weigh between 6 kg and 9.4 kg each. Pots weigh between 9.5 kg and 13 kg each. Wall blocks need 11.5 to 12 units per square metre. Pots need 14 units per square metre. Prices run from KSh 60 to KSh 115 per unit. Free delivery applies within Nairobi for blocks and pots. Pick the block size by wall thickness. Pick the pot height by slab depth. Both unit types reduce dead weight. Confirm sizes against your drawings before ordering.

Hollow concrete blocks

Hollow blocks are lightweight masonry units. Their voids cut weight and make them easy to handle. The 380 × 150 × 200 block is the top-rated listing.

Hollow pots

Hollow pots are slab infill units. They sit between concrete ribs and reduce the concrete needed. All four sizes share the same 14 per square metre coverage.

Foundation stones

A 9 inch foundation stone marks the official start of a project. Developers use it for commemorative launches.

What roofing sheets does Structrum stock?

Structrum stocks four roofing sheet profiles. These are box profile, corrugated, Elegantile and Versatile. All are iron sheets sold per piece. Box profile, Elegantile and Versatile come in glossy and matte finishes. Most come in gauge 28 and gauge 30. Gauge 28 sheets are thicker than gauge 30 sheets. They also cost more. Prices range from KSh 470 to KSh 680 per sheet. Orders of 40 pieces and above get free delivery across Kenya. Choose the profile by the look you want. Choose the gauge by budget and durability. Choose the finish by colour and texture. Ask the shop which colours are in stock. Measure the roof area and allow for overlap. Then count the pieces. Order spare sheets for cuts.

Prices in KSh per sheet, from the shop listings.

Box profile sheets

Box profile sheets have a trapezoidal rib. They come in glossy and matte. The shop sells them for long-lasting, weather-resistant roofs.

Corrugated iron sheets

The corrugated sheet is the classic wave profile. The shop lists a gauge 30 sheet at KSh 470.

Elegantile and Versatile

These two profiles share the same price grid. Both come in glossy and matte, in gauge 28 and gauge 30. Elegantile is a tile-style profile.

Which tiles and tile adhesives are on sale?

Structrum sells ceramic tiles and three tile adhesives. The tiles are large format. One size is 30 by 30 inches, listed at KSh 1,500, with 17 pieces per box. The other is 40 by 40 inches, listed at KSh 1,750, with 12 pieces per box. Large tiles leave fewer grout lines. Adhesives bond tiles to cement-based surfaces. Izomix ceramic adhesive and Izomix granite and marble adhesive cost KSh 600 per 25 kg bag. Kalekim 1952 White costs KSh 1,600 per 25 kg bag. The shop files these adhesives under its waterproofing category. Match the adhesive to the tile type before you buy. Tile and adhesive quantities depend on floor area. Box counts help here, since each box holds a fixed number of pieces.

Izomix ceramic tile adhesive

This is a cement-based, single-component mortar. It bonds ceramic, faience and glass mosaic. It suits wet areas such as bathrooms, kitchens, terraces and balconies. Mix 6.5 to 7 litres of water per 25 kg bag. The working period is about 120 minutes. Fill joints after 48 hours.

Izomix granite and marble adhesive

This cement secures granite and marble tiles. It avoids costly epoxy bonding. It resists dampness, heat and harsh substances. Use it indoors or outdoors.

Kalekim tile adhesive 1952 White

This white adhesive gives extended open time and limits slipping. It bonds ceramic tiles, mosaics and decorative bricks to renders, screeds and concrete. One bag covers about 5 square metres of marble or travertine. Mix 6.5 to 8 litres of water per bag. Pot life is about 6 hours.

What waterproofing materials does Structrum sell?

Structrum sells four waterproofing compounds and three tarpaulins. Bitumen emulsions coat roofs, slabs and walls. Bituseal T5 comes in a 20 kg pack at KSh 5,800. Colascote T7 comes in a 20 kg pack at KSh 7,800. Dr Fixit Super Latex is an SBR compound that seals cracks and bonds surfaces. It costs KSh 1,200 per litre. Hyseal waterproof cement is a 1 kg additive for mortar and concrete. It costs KSh 400. Tarpaulins protect stored materials and unfinished work. Sizes run from 9 by 12 feet to 12 by 15 feet. Prices start at KSh 650. Waterproofing orders have nationwide delivery. Follow the application guidance on each product page. The showroom can match a product to your surface.

Bituseal T5 and Colascote T7

Bituseal T5 is a dark brown, fibre-reinforced bitumen emulsion. It brushes on and dries to a flexible black layer. Colascote T7 is a heavier formulation. It suits driveable concrete roofs, basement moisture protection and cover over thermal insulation. The Colascote listing also describes two other grades. T5 handles general waterproofing. T3 primes and seals concrete roofs.

Dr Fixit Super Latex

This SBR (styrene butadiene rubber) latex stays elastic. It bonds to concrete, wood and masonry. It handles minor cracking and resists weather and UV. Apply it by brush or spray.

Hyseal waterproof cement

Hyseal improves the water resistance of standard cement. Mix it into mortar or concrete with water. It seals cracks and joints in basements, bathrooms, roofs and water tanks.

Blue multipurpose tarpaulins

These are woven polyethylene sheets with a waterproof coating on both sides. They shield goods, vehicles and building materials from rain, sun and dust. The 9 × 12 ft size costs KSh 650. The 12 × 12 ft size costs KSh 950. The 12 × 15 ft size costs KSh 1,100.

Which concrete admixtures does Structrum offer?

Structrum sells two concrete admixtures. An admixture is a chemical added to concrete or mortar. The first is a PCE-based superplasticizer. It is a high-range water reducer. It cuts water content and raises concrete strength. It costs KSh 150 per litre. The second is sodium gluconate. It is a white crystalline powder. It acts as a set retarder and water-reducing agent. It slows setting in hot weather and during long transport or pumping. The dosage is 0.2% to 1.0% of cement weight. It costs KSh 180. Both suit ready-mix, precast and general site concrete. Follow the dosage guidance on each pack. Admixtures work with cement, water, sand and ballast. They do not replace any of them. Test a small batch first.

Superplasticizer

A superplasticizer lets you use less water for the same workability. Less water means a denser, stronger concrete.

Sodium gluconate

Add it directly to the mixing water. A higher dose within the range extends setting time further. It also improves plasticity and works alongside other admixtures.

What hardware and support items does Structrum list?

Structrum also lists hardware and support items. Chicken wire comes in a 30 metre roll of galvanized hexagonal mesh at KSh 1,600. It suits fencing, enclosures and reinforcement. Gasket paper is a 3.2 mm fibre sheet sold per metre at KSh 5,500. It makes custom seals between pipe or machine surfaces. An automatic pressure control switch, at KSh 4,350, starts and stops a water pump by pressure. A 2 kg CO2 fire extinguisher, at KSh 9,800, handles electrical and flammable-liquid fires. The shop also sells architectural drawings. A three bedroom house plan costs KSh 20,000. Residential apartment plans cost KSh 150,000. These items support the main build. Display hooks at KSh 150 are also listed.

How do you choose materials for each build stage?

Choose materials in the order the building rises. Each stage depends on the one before it. Start with ballast and sand for the foundation and concrete. Add admixtures if the mix needs better workability or a longer setting time. Build walls with hollow blocks and slabs with hollow pots. Waterproof roofs, slabs and wet walls with bitumen or latex. Cover the roof with iron sheets. Finish floors and walls with tiles and adhesive. Use tarpaulins to shield stored stock throughout. Work out quantities from the coverage figures on each product page. Ask a structural engineer to confirm slab and foundation details. Order stage by stage if storage space is limited. This also spreads the cost. Keep stock covered.

1. Foundation and concrete: Ballast, sand, foundation stones, admixtures
2. Walls and slabs: Hollow blocks, hollow pots, chicken wire for reinforcement work
3. Protection: Bitumen emulsion, Dr Fixit latex, Hyseal, tarpaulins
4. Roof: Box profile, corrugated, Elegantile or Versatile sheets
5. Finishes: Ceramic tiles with Izomix or Kalekim adhesive

How do you order and get delivery?

Order by phone or through the online shop. Call 0703394990. The shop is in Kasarani, Nairobi. Sand prices include transport per ton within Nairobi. Hollow blocks and pots deliver free within Nairobi. Roofing sheets deliver free across Kenya for orders of 40 pieces and above. Waterproofing orders have nationwide delivery. Prices are in Kenya shillings. They can change, so confirm before you pay. The shop also offers a call-back form. Share your quantities, site location and delivery date. Structrum will then confirm stock and price. Drawings enquiries can also go to the company email address below. Ask about delivery for items not listed above. Orders can also be placed through the cart on the shop.

Phone: 0703394990
Email: structrumengineeringltd@gmail.com
Shop: structrumlimited.co.ke/shop

Source: structrumlimited.co.ke/shop. Product details and prices were read on 18 October 2026 and may change.