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Last updated Sunday, 27 Sept 2026
| Mounting Putty | Price |
|---|---|
| Bostik Blu Tack Handy Pack White | £2.02 |
| Bostik Blu Tack Handy | £2.02 |
| Bostik Blu Tack Handy Pack White | £2.02 |
| Bostik Blu Tack Handy | £2.02 |
| 151 Adhesives Super Tack 90gm Pack | £3.29 |
| Bostik Glue Dots Removable X 64 | £3.49 |
| Bostik Blu Tack Handy | £20.67 |
| Uhu White Tack Handy Pack Pack 12 - 3-42196 | £24.58 |
Mounting putty, sometimes called poster tack or adhesive putty, is that soft, reusable adhesive you press between a lightweight item and a wall so it stays put without nails or tape. Think of it as a tiny, flexible anchor that grips surfaces while being gentle enough to remove. If you hang posters, photos, lightweight décor, or holiday decorations, mounting putty is a must-have in your drawer.
You’ll find mounting putty under a few names: poster tack, Blu Tack, museum putty, removable adhesive putty, and adhesive mounting putty. Some brands market a “clean tack” or “repositionable” formula for delicate surfaces, while others call their heavy-duty versions museum putty because they’re designed to secure fragile items on shelves and prevent tipping.
Blu Tack is the household name many people recognize, but there are many alternatives offering different strengths and colors. Blu Tack is great for posters and paper prints; heavy-duty alternatives—often labeled museum or earthquake putty—come in formulations that can stabilize small ceramics or figurines and resist vibrations in busy rooms.
Poster tack is generally softer and designed for paper and light items, holding a few ounces to several ounces depending on how much you use. Museum putty is denser and stickier, able to hold objects weighing a pound or more when used properly. So, match the type to the job: posters get tack, keepsakes get museum putty.
Mounting putty sticks because it stays slightly sticky and deforms to increase contact area with both the object and the surface. That contact creates molecular attractions and friction, which together create holding power. The more surface area in contact and the more putty you use, the stronger the hold. Temperature and dust can change performance, so you’ll notice differences when a room is cold or greasy.
Start by asking: how heavy is the item and what surface am I attaching it to? For a poster that weighs a few ounces, a pea-sized ball of poster tack per corner usually does the trick. For small frames, museum putty applied to the bottom corners or the back of the frame helps prevent tipping. If you’re hanging a garland, choose a formulation that tolerates temperature swings and humidity.
Painted walls and glass are generally safe with putty, but delicate wallpapers or freshly painted surfaces can lift paint if you’re not careful. Wood with a rough finish may not provide enough contact area for tacky putty. Test a small hidden spot first: press a small amount, leave it overnight, then remove to check for residue or damage.
As a rule of thumb, use about 0.1 to 0.5 ounces of putty per ounce of object weight for light-duty tack — so a 4 ounce poster might need 0.4 to 2.0 ounces of putty spread across its corners for reliable holding. For museum-style security, heavier-duty putty can secure a 1 pound figurine with about 0.5 to 1.0 ounce of putty at key contact points. These are rules of thumb; always test before trusting valuable items to any adhesive.
Ready to stick something? First, clean the surface with a dry cloth to remove dust and lint. For grease or sticky residues, a light wipe with a microfiber dampened with water should work — dry fully before applying putty. Next, break off the right amount of putty, roll it between your fingers into a small ball, flatten it into a pad, and press it firmly between the item and the surface. Give it a few seconds to settle and adhere.
Press hard to increase contact area, and use multiple small pieces rather than one large blob — many small contact points resist shear forces better. For frames, putty at the bottom corners prevents forward tilting, while small pads along the top edge reduce movement. If you’re hanging something horizontally, like a string of cards, apply putty at regular intervals every 6 to 8 inches to distribute load evenly.
Want to remove what you put up? Gently peel the item away, then press and roll the putty off the surface, or lift it slowly starting from one corner. If residue remains, roll the putty across the spot to pick it up. For stubborn smears on painted surfaces, warm the area slightly with your hand to soften the putty before peeling; avoid scraping with hard objects that can gouge paint.
Mounting putty is versatile, but not always the best choice. For heavier frames, double-sided foam tape, mirror adhesive strips, or picture hanging hooks provide greater load capacity. Command strips are ideal for heavier wall-mounted items because they offer strong adhesive with clean removal when used correctly. For outdoor or high-moisture areas, silicone-based adhesives or outdoor-rated mounting tape perform better than putty.
Double-sided mounting tape and foam mounting squares give immediate, strong bonds on flat surfaces. They often come with weight ratings in pounds and can hold heavier objects than putty, but they aren’t reusable. Use these when permanence and strength outweigh the desire for repositionability.
Command strips are a smart choice when you need to hang frames or hooks that will bear significant weight. They come in sizes rated for several pounds and peel away cleanly if you follow the instructions. Unlike putty, they require full-surface contact and a bit of planning for placement.
Mounting putty shines in dorm rooms, apartments, offices, and craft spaces. Use it to hang posters, secure holiday decorations to mantels, stabilize collectibles on shelves, keep vases from tipping during a bump, and affix cables behind desks. It’s also great for photographers and crafters who need temporary positioning while they work.
For holiday décor, putty secures lightweight garlands and ornaments to mantels and banisters without leaving marks. In a kitchen, you can stick recipe cards to the backsplash while you cook. Artists might use small pieces to temporarily mount prints for framing layouts. Think of it like a reusable, gentle clamp that doesn’t require tools.
Most mounting putties are non-toxic in normal use, but they aren’t meant to be chewed or used on surfaces that contact food. Keep them away from children and pets who might mistake colorful putty for candy. Over time, putty can pick up dust and lose tackiness; when it’s dirty, replace rather than try to wash it. Dispose of old putty according to your local regulations for household waste.
Putty can get firmer in cold conditions and softer in heat. In rooms below typical household temperature, expect tackiness to decrease — you may need to warm it in your hands for better adhesion. For longevity, store unused putty in an airtight container away from direct sunlight and temperatures above normal room conditions.
When shopping, look for product details like weight capacity (in pounds or ounces), recommended surface types, and whether the putty is labeled removable or museum-grade. Many packages list use cases — posters, frames, figurines — which helps you match product to need. Read user reviews focused on residue, ease of removal, and real-world holding power to avoid surprises.
Putty often sells in small tubs measured in ounces. Choose a larger tub if you’re decorating a dorm or doing a craft project — you’ll save per ounce. For occasional poster hanging, a smaller pack is fine. Keep in mind heavier-duty putties sometimes cost more per ounce but give more security for valuable items.
If putty won’t stick, check the surface for dust or oil and clean it. If it’s too firm, warm it in your hands to soften. If it leaves residue, try rolling the putty over the spot to lift it, or press with a soft cloth and mild soapy water, then dry. For items that continually tilt, add more contact points lower on the object to stabilize the center of gravity.
People who use putty regularly recommend always saving a bit of clean putty in a sealed bag for delicate jobs, using multiple small balls rather than one big lump, and combining putty with a small strip of double-sided tape for extra security on special items. Test before relying on putty for heirlooms or expensive objects—better safe than sorry.
Mounting putty is perfect for temporary displays, renter-friendly décor, crafts, and stabilizing small objects. Choose double-sided tape or Command strips for heavier, long-term installations, and use museum putty when you need added protection against knocks and vibrations. With the right product and a bit of know-how, mounting putty becomes a versatile tool in your home or office toolkit.
Whether you’re hanging a poster, stabilizing a collectible, or setting up seasonal decorations, there’s a mounting solution that fits. Learn the weight limits, test a spot, and enjoy a damage-free way to stick things where you want them.
Conclusion: Mounting putty is inexpensive, reusable, and adaptable. By understanding types, applications, and alternatives, you’ll pick the right product for any job and keep your walls and valuables safe and tidy.
