The Studio Journal · Process
Yes — a mosaic can live outdoors in Colorado, but only if it is built for freeze-thaw from the start. Water gets into porous materials and grout, freezes, expands, and prises pieces off; a hard Colorado winter can strip an indoor-built piece in one season. Outdoor pieces need frost-proof materials — vitreous glass, porcelain or frost-rated stone — a waterproof exterior board, flexible polymer-modified adhesive, and grout that is sealed and detailed so water sheds instead of sitting.
Glass itself barely notices cold. The damage is done by water: it soaks into grout, porous stone, terracotta and the board behind, then expands as it freezes. Colorado Springs does not just get cold — it swings, freezing at night and thawing by lunch, dozens of cycles a winter. Every cycle is a tiny crowbar. Pieces built for indoors — on plywood or MDF, with soft ceramic or unsealed grout — drink that water and let go.
Vitreous glass and porcelain absorb almost no water and are the safe backbone of an outdoor piece. Frost-rated natural stone works if it is dense and sealed. What stays indoors: terracotta and soft ceramic, mirror (the backing corrodes outside), smalti in exposed horizontal work, and anything on a timber board — plywood and MDF swell, rot and take the artwork with them. Outdoor pieces are built on waterproof foam or cement board rated for exterior use.
Flexible, polymer-modified adhesive and grout that can move a fraction instead of cracking; grout sealed after curing; edges and the back sealed so water cannot sneak behind; and the piece mounted with a slight fall or a drip edge so rain sheds rather than pools on a top edge. Horizontal pieces — table tops, stepping stones — work hardest of all, because water sits on them; they get the most conservative build and a cover in the worst months is still a kindness.
A covered porch wall is the kindest outdoor home: full light, half the weather. Full-exposure south and west walls take the hardest sun-thaw cycling. Ground-set pieces need a base that drains. And every outdoor piece wants a yearly once-over — check the grout, reseal if it has gone chalky, and catch one loose piece before the winter finds it.
Say the word 'outdoors' when you commission, and the piece is specified for it from the drawing onward — it changes the materials list, the board and the mounting, not just a coat of sealer at the end. Every Lion & Crown piece is made to order with a minimum of 30 days in the studio: small framed pieces from $650, medium panels from $1,200, murals and shower features $180–$250 per square foot. The Christmas order book closes November 15.
Yes, a mosaic can live outdoors in Colorado — built from frost-proof glass or porcelain, on an exterior board, with flexible adhesive, sealed grout and somewhere for the water to go. Built like an indoor piece, one winter will take it apart. To talk through an outdoor piece for your space, call or text Lion & Crown Mosaics at 719-521-8312 or use the contact form. Shipping is available anywhere in the US at the buyer’s cost.
