{"id":24926,"date":"2019-05-06T16:26:17","date_gmt":"2019-05-06T14:26:17","guid":{"rendered":"http:\/\/136.144.181.85\/~nedzink\/product-features-titanium-zinc\/thermal-movement\/"},"modified":"2019-07-19T13:35:28","modified_gmt":"2019-07-19T11:35:28","slug":"thermal-movement","status":"publish","type":"page","link":"https:\/\/www.nedzink.com\/en\/product-features-titanium-zinc\/thermal-movement\/","title":{"rendered":"Thermal movement"},"content":{"rendered":"[vc_row][vc_column][vc_column_text css=”.vc_custom_1563536124516{margin-bottom: 0px !important;}”]Thermal movement<\/strong>
\nTitanium zinc has a relatively large linear expansion coefficient: 0.022 mm\/(m.K)<\/p>\n

To date the literature still refers to the expansion of zinc, although thermal movement is more appropriate. The material will after all expand and contract.<\/p>\n

Example: a gutter with a length of 8 metres is applied at room temperature (15\u00b0C). The T equals 100 K. The maximum expansion in summertime is 11.44 mm. The maximum contraction in wintertime is 6.16 mm. The total thermal movement for this gutter is 17.6 mm.<\/p>\n

The total thermal movement should not exceed 20 mm. If the thermal movement is larger than 20 mm an expansion device must be used.<\/p>\n

Expansion<\/strong>
\nExpansion devices are necessary in order to absorb the expansion and contraction of the material. When developing a roof covering or wall cladding thermal movement and expansion should always be considered, because of the relatively large linear expansion coefficient.<\/p>\n

When gutters are applied, a rubber expansion can be used. It is also possible to use a zinc expansion device consisting of expansion sleeves and a separation slide fully made of zinc.<\/p>\n

Table: Expansion device in roof gutter<\/strong>
\nGutters provided with bead 20 mm and material thickness 0.80 mm
\n(Girth 300 mm in 700 mm)[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=”.vc_custom_1563536037381{margin-bottom: 0px !important;}”]\n\n\n\n\n\n\n\n
GUTTER IN THE BOX<\/th>\n<\/tr>\n
<\/td>\nMAX. DISTANCE IN METRES BETWEEN 2 EXPANSION DEVICES<\/th>\n<\/tr>\n
<\/td>\nMax. gutterlength in metres without expansion-sleeve<\/th>\nDEVELOPED WIDTH OF THE GUTTER < 550MM<\/th>\nDEVELOPED WIDTH OF THE GUTTER > 550MM<\/th>\n<\/tr>\n
2 free ends ****<\/td>\n12<\/td>\n12<\/td>\n9<\/td>\n9<\/td>\n6<\/td>\n<\/tr>\n
1 free ends ****<\/td>\n6<\/td>\n6<\/td>\n4,5<\/td>\n4,5<\/td>\n3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n
GUTTER IN THE BRACKET<\/th>\n<\/tr>\n
<\/td>\nMAX. DISTANCE IN METRES BETWEEN 2 EXPANSION DEVICES<\/th>\n<\/tr>\n
<\/td>\nMax. gutterlength in metres without expansion-sleeve<\/th>\nDEVELOPED WIDTH OF THE GUTTER < 550MM<\/th>\nDEVELOPED WIDTH OF THE GUTTER > 550MM<\/th>\n<\/tr>\n
2 free ends ***<\/td>\n18<\/td>\n18<\/td>\n12<\/td>\n12<\/td>\n9<\/td>\n<\/tr>\n
1 free ends ***<\/td>\n9<\/td>\n9<\/td>\n6<\/td>\n6<\/td>\n4,5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

*** The free expansion space must be at least 10-15 mm
\n**** The free expansion space must be at least 20 mm[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"

[vc_row][vc_column][vc_column_text css=”.vc_custom_1563536124516{margin-bottom: 0px !important;}”]Thermal movement Titanium zinc has a relatively large linear expansion coefficient: 0.022 mm\/(m.K) To date the literature still refers to the expansion of zinc, although thermal movement is more appropriate. The material will after all expand and contract. Example: a gutter with a length of 8 metres is applied at room temperature […]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":24856,"menu_order":490,"comment_status":"closed","ping_status":"closed","template":"template-import.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-24926","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nThermal movement \u2013 NedZink<\/title>\n<meta name=\"description\" content=\"Lees op onze website meer over het uitzettingsco\u00ebffici\u00ebnt van titaanzink en het (eventueel) gebruiken van een expansievoorziening.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.nedzink.com\/en\/product-features-titanium-zinc\/thermal-movement\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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