How do I open the bottle? I've tried cutting, piercing, everything... Can't get it open!!

People could be a little less patronising, some of us don't have an much knowledge of /have never before used hardware tools and products as others :)

If need be, can it be sanded?

It doesn't really need to be sanded as it has quite a smooth finish. Just squeeze it into the gap and with a slightly damp fingertip, smooth it out. I always have a damp cloth to just wipe off any excess that goes somewhere I don't want so I don't run into the problem of needing to try and sand it. If you have gaps between the skirting board and wall (like some of mine have), it's great for filling these in, but I always make sure after I have run my finger over it to wipe off any excess that may go up the wall a bit so it doesn't leave any sort of ridge. As it has some flexibilty I find that if you try to sand it, it tends to ball up a bit. Hope this is of some help. Noelene

Can i use it to fill in between liner paper as some of it has gaps in between liner paper.

Caulk can be used for all D.I.Y and decorating tasks, great stuff for filling all gaps,holes,cracks, can be painted over, no problem. Hope this helps

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SikaSeal One Hour Caulk, White, 300 ml

Product ID: 47938156

Details

Brand
Sika
Colour
White
Full cure time
60 Minutes
Item weight
481 g
Liquid volume
300

💧Waterproof seal

⏱️15-min initial tack

🛠️Slump-resistant flexibility

82.13 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⏳ Seal it fast, seal it right—don’t let gaps slow your flow!

NO SANDING NEEDED - Smooth finish straight out of the tube—save time and skip the extra steps.
RAPID 15 MINUTE TACK - Get to work faster with a no-wait initial set that keeps your project moving.
DURABLE ONE HOUR CURE - Full cure in just 60 minutes means less downtime and quicker project completion.
WATERPROOF FLEXIBLE - Reliable, long-lasting protection that resists sagging and water damage.
VERSATILE SURFACE COMPATIBILITY - Perfect for doors, windows, and more—seal gaps with confidence anywhere.

Sika SikaSeal One Hour Caulk is a premium siliconized acrylic caulk offering rapid 15-minute initial tack and full cure within 60 minutes. Its slump-resistant, waterproof formula creates durable, flexible seals on doors, windows, and various surfaces without the need for sanding. Ideal for professionals seeking efficient, reliable gap sealing with minimal downtime.

Specifications

ASIN	B004LB2BEW
Best Sellers Rank	86,733 in DIY & Tools ( See Top 100 in DIY & Tools ) 51 in Silicone Caulk 112 in Expanding Foams
Brand	Sika
Colour	White
Customer Reviews	4.5 4.5 out of 5 stars (1,652)
EU Spare Part Availability Duration	1 Years
Full Cure Time	60 Minutes
Global Trade Identification Number	05029347000042
Included Components	Everbuild Everflex 125 One Hour Caulk White C3 Cartridge - 125C3
Initial Hardening Time	15 Minutes
Item Form	Paste
Item Type Name	Everbuild Everflex 125 One Hour Caulk White C3 Cartridge - 125C3
Item Weight	481 g
Liquid Volume	300 Millilitres
Manufacturer	Sika Everbuild
Manufacturer Contact Information	Sika Everbuild 41 Knowsthorpe Way, Leeds LS9 0SW
Manufacturer Part Number	6117
Material	Siliconized Acrylic
Model Number	EVERBUILD125
Number of Items	1
Number of Packs	1
Surface Recommendation	Door, Window
UPC	798256098376 790295697817
Unit Count	300.0 millilitre
Water Resistance Level	Waterproof

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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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82.13 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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