GUNMANSA

Bostik Marine, Silicone Sealant, Clear, 280ml

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R 156
Regular price
R 216
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28%
100 in stock

CPT | JHB | DBN
Description

Quick Overview

Bostik Marine is a clear, one part acetoxy curing high quality silicone sealant that provides a permanent flexible, durable, watertight seal when building fish tanks and aquariums. Excellent for heavy duty marine work. Ideal for general purpose sealing, waterproofing and weatherproofing requirements in and around the house when doing DIY projects. The sealant is extremely resistant to UV, weathering, ageing and water, and offers excellent chemical resistance and is unaffected by alcohols, diluted acids and alkalis, soap and household detergents. The sealant remains flexible over a wide range of temperatures from -40°C to 100°C. It also performs as an excellent adhesive on non-porous surfaces where an elastic gap-filling bond is required.

Not suitable for alkaline surfaces such as concrete, fibrous cement, asbestos, plaster and marble. Not suitable for some metals i.e. mild steel, lead, copper, tin, galvanized iron, brass or zinc as it may cause corrosion. May become discoloured in contact with some organic elastomers, which tend to bleed oil or solvents into the silicone, e.g. EPDM, APTK, Neoprene and Bituminous surfaces. It should not be used on the back of mirrors, as it will de-silver the mirror backing, affecting the front appearance of the mirror. Not suitable for contact with natural stone i.e. marble, granite, quartzite as it may discolour the surfaces. Will not adhere to some plastics such as polyethylene, polypropylene and Teflon. Do not apply sealant when relative humidity is below 10% - cure rate will be affected.

Not suitable where mould-resistance is required e.g. sealing of showers, basins and baths.

Quantity: 280ml

Does not contain a fungicide which may be harmful to aquarium fish.

Not paintable.

 

Warranty

Warranty

Our products are covered by a manufacturer’s warranty ranging from 6 months up to a lifetime, subject to the specific item. For detailed warranty information, kindly enquire with our support team.


Reviews

Reviews

Shipping

South Africa: 1-3 Days

Free Shipping Over R2000

Shipping From R60

International: 2-5 Days

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41

Let customers speak for us

from 868 reviews
Great product, perfectly packaged and was was

Great product, perfectly packaged and was sent out real quick. They have have my vote

Jeffrey Somzila
Blow F92 Fumed Blank/Pepper Gun (Semi Auto|15+1|9mm PAK)
High quality low profile keys, shaped just right for me.

The best of of both worlds. The low profile keys on my Keychron K4 HE makes my typing much easier with far less mistakes than with the original taller keys. I now have 2 full sets of keys, high and low profile in case I need to change it one day. The keys are very good quality and very easy to replace. They are not shine through but the lighter font on a dark key is very visible even if the backlighting is switched off

FaroukM
Keychron PBT LSA Knight Keycap Set V2 - Low Profile
Excellent, very goot

It's good quality

D.Vries
GUNMANSA
Great efficient service

Great efficient service, good prices and excellent packaging. Thank you!

Lucinda Singh
GUNMANSA
I love gunmansa products and I received my parcel in time

Judge.me Shop Reviews

Arol
GUNMANSA
Quick and Efficient

Ordered an item from their website, Quick and efficient service. Received my item within a couple of days. No issues

Ryan T
GUNMANSA
Extremely Impressed

Everything was so effective and smooth from ordering, right until delivery.

Will definitely be ordering again.

Anonymous
GUNMANSA
Excellent Build Quality

I haven’t had a chance to install or use the fan yet, but I’m very impressed with the quality. It feels well made, and the design looks great. Everything arrived in perfect condition, and I’m looking forward to seeing how it performs once it’s installed.

Lukevermeulen
Antec P12 PWM 120mm ARGB Reverse Case Fan - Black
Great first impressions

Haven’t had a chance to use it on the field yet, but my first impression is very positive. The harness feels well made, the stitching looks solid, and it fits comfortably. It holds the pods securely and seems like it’ll do the job well. Looking forward to trying it out.

Lukevermeulen
IMPACT 2 POD PACK
1 Ultra fast delivery 2 Product 5/5

1 Ultra fast delivery 2 Product 5/5 3 Installed ..apreciated the raw bolts that came with it

Anonymous
L-Bracket 400x200x38mm (With Rawl Bolts) Part No: NW200-9
I love the product, it's beyond my

I love the product, it's beyond my expectation

blessing mahlake
VSport 9mm P.A.K Blank Bullets (50) - Ammo
10/10

Its the best

Limpho Letuka
Blow F92 Fumed Blank/Pepper Gun (Semi Auto|15+1|9mm PAK)
Excellent Quality & Great Value

Great quality nylon balls. They’re consistent, durable, and work exactly as expected. Fast delivery and excellent value for money. Highly recommended!

Lukevermeulen
Ballistic Solid Nylon Balls .68 Cal - Pack of 100
Great!

Great!

Annelien
MINIX Music: Elton John - Elton John New
Incredible awesome equipment to utelise

Incredible awesome equipment to utelise especially during power outage hours

Anonymous
GIZZU 30W 38Wh 10400mAh Mini DC UPS - Black

ADHESIVES

BATHROOMS

BEDROOMS

CASTORS

CONNECTING FITTINGS

DOOR SETS

EDGING

ELECTRICALS

FASTENERS

FURNITURE HARDWARE

HANDLES

HINGES

KITCHEN

LEGS

RUNNERS

SANDING AND PAINTING

SHELVING AND BRACKETS

SINKS AND TAPS

TOOLS

WINDOW DECOR

STAPLES & NAILS

LOCKS

SOUTH AFRICA'S MODERN TACTICAL & TECH STORE

Welcome to GUNMANSA — where tactical culture, modern tech, self-defense gear, electronics, and premium lifestyle products come together in one powerful shopping experience.

WHY CUSTOMERS CHOOSE US

  • Premium curated products
  • Fast nationwide South African delivery
  • Secure online checkout
  • Trend-focused tactical & tech collections
  • Reliable customer support
  • Constantly updated product range
  • Trusted by thousands of customers nationwide

FAST SOUTH AFRICA-WIDE DELIVERY

We work hard to ensure your order arrives quickly, securely, and professionally packaged.

DELIVERY INFORMATION

  • Nationwide shipping available
  • Tracking provided on dispatched orders
  • Secure packaging for sensitive products
  • Delivery times vary by region
  • Major cities usually deliver faster

DISCREET PACKAGING

Many products are shipped in discreet packaging for added privacy and professionalism.

CUSTOMER SUPPORT THAT HAS YOUR BACK

Your experience matters to us. We aim to provide reliable support before and after your purchase.

RETURNS

Returns may be accepted based on product condition, packaging condition, time since delivery, and product category restrictions.

NEED HELP?

Our support team can assist with product guidance, order updates, compatibility questions, technical support, and returns & exchanges.

IMPORTANT PRODUCT SAFETY INFORMATION

Certain products sold by GUNMANSA require responsible handling and adult supervision where applicable.

RESPONSIBLE USAGE

  • Understanding local laws
  • Safe handling practices
  • Proper storage
  • Responsible usage
  • Using products only for lawful purposes

KNOW BEFORE YOU BUY

Some products may require setup or accessories, have age-related restrictions, need batteries/gas/ammunition/accessories, or require maintenance.

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Shop confidently knowing your information and payments are protected.

PAYMENT OPTIONS

  • Secure card payments
  • EFT payments
  • Online payment gateways
  • Mobile-friendly checkout options

SECURITY FEATURES

  • Encrypted checkout systems
  • Secure payment processing
  • Fraud protection measures
  • Trusted payment providers

QUICK ANSWERS

Q: How long does delivery take?

Delivery times vary depending on your location and product availability.

Q: Will I receive tracking?

Yes — tracking details are typically provided once orders are dispatched.

Q: Can I return a product?

Eligible returns may be accepted according to our returns policy.

Q: Do products come with warranty?

Some items include supplier/manufacturer warranty coverage.

Q: Do you offer nationwide shipping?

Yes — we ship across South Africa.