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Home / Shade Nets / Waterproof Shade Net 100% Black 400GSM – 50m x 3m Roll | Heavy Duty Rainproof Car Park & Canopy Shade Cloth
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Waterproof Shade Net 100% Black 400GSM – 50m x 3m Roll | Heavy Duty Rainproof Car Park & Canopy Shade Cloth

KSH 71,250/ roll
KSH 80,000Save 11%
In stock
About this product
Waterproof Shade Net 400GSM Black 50m x 3m Price in Kenya
100% Waterproof 400 GSM Heavy Duty 100% Shade UV Stabilised 50m x 3m Roll

Waterproof Shade Net 100% Black 400GSM – 50m x 3m Roll

Ultra heavy duty black waterproof shade net that stops sun and rain. A UV-stabilised HDPE knitted base is laminated with a solid polyethylene film, giving you a 100% opaque, fully rainproof sheet at 400 grams per square metre. One roll covers 150 square metres — the standard choice in Kenya for car park shades, carports, canopies, walkways, market stalls, poultry houses and boundary privacy screens. In stock at both Shabbiri Hardware branches on Magadi Road.

01Why builders and property managers choose the 400GSM black net

A normal 70% or 90% agricultural shade net is a knitted mesh — light passes through it and so does water. This product is a different class of material: the same tough HDPE knit, but sealed with a continuous PE film so it behaves like a lightweight tarpaulin that still breathes at the edges and does not drum in the wind.

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Genuinely rainproof

The laminated film has no perforations, so rainwater runs off instead of dripping through. Vehicles, stock and customers stay dry.

100% shade & UV block

Total blackout of direct sunlight. Protects car paintwork, dashboards, stored cement, timber and packaged goods from UV degradation.

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400GSM tear strength

Heavier yarn and a denser knit resist hail, wind flap and eyelet pull-through far better than 200–280GSM grades.

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Cooler underneath

Black absorbs and re-radiates upward while the knitted underside limits heat transfer, so the space below stays notably cooler than under bare iron sheets.

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Total privacy screen

Zero visibility through the sheet. Ideal for boundary walls, construction hoarding, site perimeters and pool or compound screening.

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Cheaper than steel roofing

A 150m² roll shades a large car park for a fraction of the cost of mabati and steel purlins, and it can be taken down and re-used.

02Full technical specifications

Complete data sheet for the Shabbiri Hardware waterproof shade net, black, 400GSM, 50 metres x 3 metres.

Product data sheet — SKU: SHK-WSN-BLK-400-50X3
Product nameWaterproof Shade Net 100% — Black, 400GSM, 50m x 3m roll
Product typeLaminated knitted shade fabric / waterproof shade cloth
Base materialVirgin High Density Polyethylene (HDPE) monofilament & tape yarn, warp-knitted (Raschel)
WaterproofingContinuous LDPE/PE film lamination bonded to one face 100% waterproof
Weight (GSM)400 g/m² (±5% manufacturing tolerance)
Roll length50 metres
Roll width3 metres
Coverage per roll150 square metres
Approx. roll weight60 kg (150 m² × 400 g/m²)
ColourBlack (UV carbon-black pigmented, colour-fast)
Shade factor100% — total blockout of direct sunlight
UV protectionUV stabilised throughout the yarn (not surface coated) with HALS/UV masterbatch
Water resistanceImpermeable sheet; sheds rain when installed at a fall of 15° or more
Air permeabilityNil through the sheet — ventilate at eaves and ridge (see installation notes)
Tensile strength (typical)Warp approx. 1,300 N / 5cm · Weft approx. 1,100 N / 5cm
Tear resistance (typical)Approx. 250 N warp / 220 N weft
Temperature range−30°C to +80°C service temperature
Fire behaviourNot fire retardant as standard — keep clear of open flame, welding and hot works
Chemical resistanceResistant to most acids, alkalis, salts, fertiliser and mildew; not resistant to strong solvents
Rot & mildewRot-proof, mildew-resistant, will not absorb water or gain weight when wet
EdgingSupply is plain-cut from the roll; hemming, eyelets or rope-edging available to order
Eyelet option12mm brass or aluminium eyelets at 500mm centres (fabricated on request)
Joining methodDouble-stitched lapped seam with UV-resistant polyester thread, or hot-air welded seam
Recommended purlin spacing1.0 – 1.5 m centres for car park and canopy spans
Minimum recommended fall15° (approximately 1 in 4) for free water run-off
Expected service life5 – 8 years in Kenyan conditions when correctly tensioned
RecyclabilityFully recyclable polyethylene — no PVC plasticisers
PackagingRolled on a core, wrapped and labelled; one roll per pack
Also availableGreen 400GSM 50m x 3m · Shade Net 90% Black 25m x 3m · Shade Net 90% Green · Green Shade Net 70% 50m x 4m
AvailabilityIn stock — Ongata Rongai & Tuala branches. Countrywide delivery.
How to read GSM GSM means grams per square metre — it is the honest measure of how much material you are buying. At 400GSM this roll contains roughly 60kg of polyethylene across 150m². Cheaper imports sold as “waterproof shade net” are often 180–250GSM and will stretch, sag and tear within two seasons. Always compare GSM before you compare price.

03Where it is used

One roll, many jobs. These are the applications our customers in Rongai, Tuala, Kiserian, Ngong, Karen, Kitengela and across Nairobi buy it for.

🚗 Car park & carport shades
🏨 Office and apartment parking bays
Home canopies & verandas
🚶 Covered walkways
🏪 Market stalls & kiosks
🔥 Nyama choma & outdoor dining areas
🐶 Poultry, dairy & livestock shelters
🌿 Nursery hardening-off shelters
🛠 Construction site hoarding
🏢 Boundary wall privacy screens
📦 Cement, timber & material stockpile covers
🏊 Swimming pool & compound screening
🎪 Event tents, tarpaulin roofs & church grounds
🚦 Temporary roofing and leak-over sheeting

04How to use & install it — step by step

A waterproof shade net lives or dies by two things: tension and fall. Get those right and it will outlast the frame. Follow this sequence.

Measure and plan the layout

Measure the area, then plan your panels in 3m widths running down the slope. Add 150–200mm on every edge for hemming and wrapping. For a 6m x 10m car park you need two 3m widths x 10.4m — about 21m off the roll.

Build the frame with a fall

Use 50x50mm box section, timber, or galvanised pipe. Set purlins at 1.0–1.5m centres and give the roof a minimum fall of 15° (about 1 in 4). Flat installations pond water, stretch the sheet and eventually fail.

Smooth every contact surface

Grind off weld spatter, cap sharp bolt ends and sand rough timber. Anything sharp will cut the film under wind movement. Wrap high-friction points with rubber or old hose pipe.

Cut the net — hot knife or sharp blade

Unroll on a clean, dry surface. Mark with chalk and cut with a hot knife or soldering iron so the cut edge seals itself. A cold blade cut must be hemmed or taped, otherwise the knit will run.

Hem and fit the eyelets

Fold a 50mm double hem, stitch with UV-resistant polyester thread (or heat-weld), and punch 12mm eyelets at 400–500mm centres. Reinforce every corner with a second layer of fabric before punching.

Lap the seams the right way

Where two panels meet, overlap by 100–150mm with the upper panel over the lower, following the direction of water flow. Double-stitch or hot-air weld. Never butt-join a waterproof sheet.

Tension from the centre outward

Fix the two centre eyelets on each side first, then work outward alternately left and right. Use 6mm UV rope, turnbuckles, or shade sail tensioners. The sheet should be drum-tight with no ripples or slack pockets.

Seal the fixing points

Fit a rubber or EPDM washer under every bolt or screw head that passes through the sheet. Eyelets on the roof plane are the only places water can enter, so treat each one as a roof penetration.

Leave a ventilation gap

Because the sheet is fully sealed, leave a 100–200mm open gap at the ridge or at the eaves. This releases hot air, stops condensation dripping underneath, and lets wind pressure escape instead of lifting the roof.

Re-tension after two weeks

All polyethylene fabric relaxes slightly after its first sun and rain cycles. Go back after 10–14 days and take up the slack. Then check tension once every dry season.

Clean it twice a year

Wash with plain water and mild soap using a soft brush. Never use a pressure washer at close range, thinner, petrol, or bleach — these attack the film lamination.

Repair small damage early

Patch cuts or punctures immediately with a PE repair patch or hot-air weld a scrap offcut over the hole with 50mm all round. A 20mm tear left through one windy week becomes a two-metre split.

Quick coverage calculator One roll = 150m². Typical single car bay (2.5m x 5m = 12.5m²) → about 12 bays per roll before allowing for overlaps and hems. Allow roughly 10% extra for laps, hems and wastage.
Do not do this Do not install it dead flat · do not leave it slack · do not stretch it over sharp welds · do not use it as a fire blanket or near hot works · do not seal the structure completely without a vent gap · do not pull it tight over an under-built frame — a fully waterproof sheet transfers all the wind load into the structure.

05Which shade net do you actually need?

Shabbiri Hardware shade net range — comparison
ProductShadeWaterproof?Best for
Waterproof Shade Net 100% Black 400GSM 50m x 3m This page100%Yes — fullyCar parks, canopies, walkways, privacy screens, temporary roofing
Waterproof Shade Net 100% Green 400GSM 50m x 3m100%Yes — fullySame uses where a green finish suits the landscaping
Shade Net 90% Black 25m x 3m90%No — breathablePrivacy screening, balcony and fence screens, dense shade with airflow
Shade Net 90% Green90%No — breathableNurseries, seedling beds, garden privacy
Green Shade Net 70% 50m x 4m70%No — breathableGreenhouses, horticulture, crop shading, poultry runs

06Frequently asked questions

Is a 400GSM waterproof shade net really 100% waterproof?
Yes. Unlike an ordinary knitted shade net, this fabric carries a continuous polyethylene film lamination, so water cannot pass through the sheet itself. Water only gets through at badly made joints or at eyelets — which is why the sheet must be installed with a fall of at least 15°, lapped correctly at seams, and fitted with washers at every penetration.
How many square metres are in one roll?
One roll measures 50 metres long by 3 metres wide — 150 square metres of cover from a single roll, weighing roughly 60kg.
What is the difference between 400GSM and 280GSM?
GSM is grams per square metre. At 400GSM the fabric is noticeably thicker and heavier, with higher tear and tensile strength, better resistance to hail and wind flap, and a longer service life. 280GSM suits light domestic canopies; 400GSM is the grade for commercial car parks, wide spans and windy sites.
Can it be sewn or welded into a bigger sheet?
Yes. Panels can be joined by double-stitched lapped seams using UV-resistant polyester thread, or hot-air welded for a fully sealed joint. Always lap the upper panel over the lower one in the direction of water flow. We can arrange fabrication with hems and eyelets to your measurements.
How long will it last in Kenyan sun?
The fabric is UV stabilised throughout the yarn, not just surface treated. With correct tensioning and a proper fall, expect roughly 5 to 8 years of service in Nairobi and Rift Valley conditions. Slack sheets that flap in the wind fail much sooner — tension is the single biggest factor in lifespan.
Will it make the area underneath hotter?
No. Black absorbs radiation and re-radiates most of it upward, and the knitted underside limits heat transfer downward. Under a properly vented installation the space stays noticeably cooler than under bare iron sheets. Leave the ridge or eaves gap open so hot air can escape.
Can I cut it to size in the shop?
Yes. We can cut to your required length off the roll and arrange hemming and eyeleting. Bring your measurements or send them on WhatsApp to 0745 554008 and we will work out how much you need.
Do you deliver outside Nairobi?
Yes. We deliver countrywide through courier and matatu parcel services from our Magadi Road, Ongata Rongai and Tuala branches. Call 0741 042484 or 0745 554008 for a delivery quotation.
How much does it cost?
Shade net pricing moves with import and exchange rates, so we quote current prices on request. Call 0741 042484 / 0745 554008, WhatsApp us, or email info@shabbirihardware.co.ke for today’s price per roll and for bulk or contractor rates.

07Buy it today — visit either branch

Visit Us

Two Branches on Magadi Road

Both Shabbiri Hardware branches stock the full shade net range. Walk in, or call ahead and we will have your roll cut, rolled and ready for collection.

07 Visit Us

Buy It Today — Two Branches on Magadi Road

Both Shabbiri Hardware branches stock the full shade net range. Walk in, or call ahead and we will have your roll cut, rolled and ready for collection.

📍 Branch 1

Ongata Rongai Branch

Magadi Road, Ongata Rongai, Kajiado North

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Address

Magadi Road, Ongata Rongai Kajiado North, Nairobi Metropolitan, Kenya

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Phone

0741 042 484

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Opening hours

Mon – Thu & Sat · 8:00am – 5:00pm Friday · 8:00am – 12:30pm

📍 Branch 2

Tuala Branch

Tuala, past Africa Nazarene University, Magadi Road

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Address

Tuala, Magadi Road Past Africa Nazarene University, Kajiado, Kenya

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Phone

0745 554 008

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Opening hours

Mon – Thu & Sat · 8:00am – 5:00pm Friday · 8:00am – 12:30pm

Get a price on the 400GSM waterproof shade net

Send us your measurements and we will work out how many metres you need — and quote you the same day.

WhatsApp Chat with us now Send your measurements for a quote
Email info@shabbirihardware.co.ke Quotations, LPOs & contractor rates
Website www.shabbirihardware.co.ke Browse the full hardware catalogue
KSH 71,250/ roll
KSH 80,000 · Save 11%
In stock
Delivery on request — same-day within Nairobi, next-day countrywide.
Free pickupat Rongai & Tuala branches.
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Specifications

ModelWSNB-100%
CategoryShade Nets
AvailabilityIn stock
Sourced byShabbiri Hardware Kenya Limited

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